20620650796 has 24 divisors (see below), whose sum is σ = 37387793520. Its totient is φ = 9939515712.

The previous prime is 20620650793. The next prime is 20620650811. The reversal of 20620650796 is 69705602602.

It is a super-2 number, since 2×20620650796² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20620650793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60366 + ... + 211861.

It is an arithmetic number, because the mean of its divisors is an integer number (1557824730).

Almost surely, 2^20620650796 is an apocalyptic number.

It is an amenable number.

20620650796 is a deficient number, since it is larger than the sum of its proper divisors (16767142724).

20620650796 is a wasteful number, since it uses less digits than its factorization.

20620650796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272913 (or 272911 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 20620650796 in words is "twenty billion, six hundred twenty million, six hundred fifty thousand, seven hundred ninety-six".