Does it still get updates?

No. It’s no longer on Samsung’s list of phones that get security patches.

Samsung20204G

Samsung Galaxy Note 20 used price in Morocco

Not for years: it’s 6 years old and Samsung no longer gives it security patches.
Before you pay: the seller signs out of their Google and Samsung accounts in front of you.

Five minutes that save you a headache:

Dial *#06#. The IMEI must match the one in Settings and on the box.
Google and Samsung accounts signed out, in front of you. Otherwise the phone stays locked when you reset it. Don’t buy a locked phone, not even at a discount.
A grey image in full screen. If you see stains or the shadow of icons, the screen has burn-in.
Battery: Samsung Members › Diagnostics. If it heats up or drains fast, plan on replacing it.
A call, Wi-Fi, the cameras and charging.

There’s no Samsung Galaxy Note 20 for sale on Damjitech right now.

Galaxy Note 20: the smallest display in the Galaxy Note 20 generation (6.7"), and the smallest battery (4300 mAh).

Does it still get updates?: No. It’s no longer on Samsung’s list of phones that get security patches.
Does it have 5G?: No, it’s 4G.

Samsung20204G

Not for years: it’s 6 years old and Samsung no longer gives it security patches.
Before you pay: the seller signs out of their Google and Samsung accounts in front of you.

Five minutes that save you a headache:

Dial *#06#. The IMEI must match the one in Settings and on the box.
Google and Samsung accounts signed out, in front of you. Otherwise the phone stays locked when you reset it. Don’t buy a locked phone, not even at a discount.
A grey image in full screen. If you see stains or the shadow of icons, the screen has burn-in.
Battery: Samsung Members › Diagnostics. If it heats up or drains fast, plan on replacing it.
A call, Wi-Fi, the cameras and charging.

There’s no Samsung Galaxy Note 20 for sale on Damjitech right now.

Galaxy Note 20: the smallest display in the Galaxy Note 20 generation (6.7"), and the smallest battery (4300 mAh).

Does it still get updates?: No. It’s no longer on Samsung’s list of phones that get security patches.
Does it have 5G?: No, it’s 4G.