Actually OP, I vote you find a good DZ nearby, get your A-License, then go on a bad ass skydiving trip hitting multiple DZs along the way.
Hookers and blow.
The first thing you're going to be doing is paying taxes...
Good ole uncle Sam
Only a handful of states collect an inheritance/estate tax. He won't have to worry about federal taxes with that amount either.
Or perhaps sailed beneath the ice.....I'd book a trip on a nuclear powered icebreaker to stand on the North Pole...unless you've been in the navy and have already been there.
lolNorth Korea, I hear it is a wonderful place.
I don't have any debt other than my Mortgage and 20k wouldn't pay that off.