You can read about what happens when you try to withdraw that much cash from a bank. Not only do they not hold that much cash, there’s lots of hoops to jump through:

https://www.linkedin.com/pulse/when-i-tried-withdraw-20000-m...

https://www.cleveland.com/business/2012/04/man_who_wants_to_...

https://grantcardonetv.com/ever-withdraw-1000000-in-cash-fro...

https://finance.zacks.com/federal-banking-rules-withdrawing-...