What is 20 to the power of 20?

Answer 1

That means that you multiply 20 by itself, using it 20 times as a factor:20 x 20 x 20 x ... x 20 (a total of 20 factors).

You can calculate this in Excel, writing the following formula:

= 20^20

Answer 2

20²⁰ = (2 × 10)²⁰ = 2²⁰ × 10²⁰ = 1048576 × 10²⁰ = 1.048576 × 10²⁶

= 104,857,600,000,000,000,000,000,000 (in full).