20316576460 has 24 divisors (see below), whose sum is σ = 43144194240. Its totient is φ = 8035319424.

The previous prime is 20316576419. The next prime is 20316576493. The reversal of 20316576460 is 6467561302.

It is a super-2 number, since 2×20316576460² (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 7 ways as a sum of consecutive naturals, for example, 5705124 + ... + 5708683.

It is an arithmetic number, because the mean of its divisors is an integer number (1797674760).

Almost surely, 2^20316576460 is an apocalyptic number.

20316576460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20316576460 is an abundant number, since it is smaller than the sum of its proper divisors (22827617780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20316576460 is a wasteful number, since it uses less digits than its factorization.

20316576460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11413905 (or 11413903 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 20316576460 in words is "twenty billion, three hundred sixteen million, five hundred seventy-six thousand, four hundred sixty".