20315503052460 has 288 divisors, whose sum is σ = 79675078758912. Its totient is φ = 4221403153920.

The previous prime is 20315503052399. The next prime is 20315503052477. The reversal of 20315503052460 is 6425030551302.

20315503052460 is a `hidden beast` number, since 2 + 0 + 31 + 550 + 30 + 5 + 2 + 46 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26769577 + ... + 27518016.

It is an arithmetic number, because the mean of its divisors is an integer number (276649579024).

Almost surely, 2^{20315503052460} is an apocalyptic number.

20315503052460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20315503052460 is an abundant number, since it is smaller than the sum of its proper divisors (59359575706452).

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

20315503052460 is a wasteful number, since it uses less digits than its factorization.

20315503052460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54287635 (or 54287621 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 20315503052460 in words is "twenty trillion, three hundred fifteen billion, five hundred three million, fifty-two thousand, four hundred sixty".