Pretend the $20 million is guaranteed, and if anything will increase slightly over time.
What problems could be significantly improved for $20 million?
(I am dreaming of winning the $1.55 billion Powerball drawling. Then taking the lumpsum, posting taxes, investing, and spending 4% each and every year. I understand that the actual may be more, or less than the started amount.)
$20 million is a lot, but not an infinite amount. As the cash flow is close to guaranteed, one could get into long term projects and hire staff.
Paying total compensation of $100K, one could hope ~200 people. No money left for offices though.
I would consider increasing the local standard of living by buying a few minimum wage type businesses and over paying a little, ~5%. I would hope that this causes an employee shortage and increases wages. Continue raising wages at a rate the other businesses can keep up with. My reasoning is that I can only hire so many people, but increasing the prevalent wages will benefit far more people.
I also think I could open a at-cost medical clinic. I don't know what that would cost, but I bet someone will tell me really quickly once I have the money.
I don't think I would have the money to:
I feel like I am playing "small ball" and not grasping the opportunities.