20112313000 has 64 divisors (see below), whose sum is σ = 50683061520. Its totient is φ = 7426080000.

The previous prime is 20112312977. The next prime is 20112313019. The reversal of 20112313000 is 31321102.

It can be written as a sum of positive squares in 8 ways, for example, as 3077364676 + 17034948324 = 55474^2 + 130518^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 760551 + ... + 786550.

Almost surely, 2^20112313000 is an apocalyptic number.

20112313000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112313000 is an abundant number, since it is smaller than the sum of its proper divisors (30570748520).

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

20112313000 is a wasteful number, since it uses less digits than its factorization.

20112313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547135 (or 1547121 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20112313000 its reverse (31321102), we get a palindrome (20143634102).

The spelling of 20112313000 in words is "twenty billion, one hundred twelve million, three hundred thirteen thousand".