Americans gave $358 billion last year. $20k is a drop in the bucket.
https://philanthropy.com/interactives/giving-usa-2015
If you really want to make a big difference, start a company, create jobs, make millions then donate a larger sum of money.
https://philanthropy.com/interactives/giving-usa-2015
If you really want to make a big difference, start a company, create jobs, make millions then donate a larger sum of money.
Their top two recommendations were invest in a startup, or give to the Gates foundation.