You would need to contact your Samsung Support Department who will advise if any of your local Samsung Experience Stores or Samsung Service Centres are open so they can take the phone to assess it and provide a costing.
In the UK Samsung also offer a doorstep repair service however you'll need to check if the N20 has been added to the list.
Unfortunately accidental damage isn't covered by the Samsung Manufacturing Warranty.
Is the damage affecting your photo's ? If not then there are glass screen protectors for the camera module that adhere to it.
I wish you all the best with this.
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I have no affiliation with Samsung.