20624980996 has 9 divisors (see below), whose sum is σ = 36094219399. Its totient is φ = 10312346884.

The previous prime is 20624980967. The next prime is 20624981057. The reversal of 20624980996 is 69908942602.

The square root of 20624980996 is 143614.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×20624980996² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 251325 + ... + 323131.

Almost surely, 2^20624980996 is an apocalyptic number.

20624980996 is the 143614-th square number.

It is an amenable number.

20624980996 is a deficient number, since it is larger than the sum of its proper divisors (15469238403).

20624980996 is an frugal number, since it uses more digits than its factorization.

20624980996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143618 (or 71809 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 20624980996 in words is "twenty billion, six hundred twenty-four million, nine hundred eighty thousand, nine hundred ninety-six".