This is possible, she becomes 47th, then Trump 48th. But Biden could use 25th, making her acting president, not fully turning over to her. I don’t think she’d get numbered in that case.
Invoking the 25th has been rejected by Dem puppet masters as a poor solution as it prevents Joe Biden’s endorsement from meaning anything.
No, that can’t be! What about all the merch that shows Trump 45 - 47?