please note the 1 million they get is
AS A DONATION so people donate more. in other words the money that people donate really gets to them and most of the prizes, graphics, marketing etc is all donated! otherwise, they will be keeping all the money that goes into and its a lot to the org.
Sorry, that doesn’t work. They could solicit the money as a donation instead of as a prize. It only makes sense to solicit it as a prize if they are making so much money that it makes sense to offer a million dollar prize.