20316015860 has 48 divisors (see below), whose sum is σ = 48769983360. Its totient is φ = 6963841920.

The previous prime is 20316015847. The next prime is 20316015871. The reversal of 20316015860 is 6851061302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675626 + ... + 705054.

It is an arithmetic number, because the mean of its divisors is an integer number (1016041320).

Almost surely, 2^20316015860 is an apocalyptic number.

20316015860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20316015860 is an abundant number, since it is smaller than the sum of its proper divisors (28453967500).

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

20316015860 is a wasteful number, since it uses less digits than its factorization.

20316015860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34376 (or 34374 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 20316015860 in words is "twenty billion, three hundred sixteen million, fifteen thousand, eight hundred sixty".