20813362792 has 16 divisors (see below), whose sum is σ = 39322958400. Its totient is φ = 10327240560.

The previous prime is 20813362789. The next prime is 20813362849. The reversal of 20813362792 is 29726331802.

It is a super-2 number, since 2×20813362792² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9928992 + ... + 9931087.

It is an arithmetic number, because the mean of its divisors is an integer number (2457684900).

Almost surely, 2^20813362792 is an apocalyptic number.

It is an amenable number.

20813362792 is a deficient number, since it is larger than the sum of its proper divisors (18509595608).

20813362792 is a wasteful number, since it uses less digits than its factorization.

20813362792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19860216 (or 19860212 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 20813362792 in words is "twenty billion, eight hundred thirteen million, three hundred sixty-two thousand, seven hundred ninety-two".