That's is a great price for a 20.
Just like modern folders, you pretty much get a full size riding position.
They are cool stock, but check out bikeforums.net and see how many people have updated them.
Thought I would add an updated picture of the twenty.
I gave it vintage handlegrips, added a chaingaurd, switched it's german pedals out for vintage english pedals. Fixed the flat rear tire and gave it an older looking seat.