20313105124 has 48 divisors (see below), whose sum is σ = 40403220480. Its totient is φ = 8858488320.

The previous prime is 20313105107. The next prime is 20313105179. The reversal of 20313105124 is 42150131302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20313105095 and 20313105104.

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, 351564 + ... + 405244.

It is an arithmetic number, because the mean of its divisors is an integer number (841733760).

Almost surely, 2^20313105124 is an apocalyptic number.

It is an amenable number.

20313105124 is a deficient number, since it is larger than the sum of its proper divisors (20090115356).

20313105124 is a wasteful number, since it uses less digits than its factorization.

20313105124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54100 (or 54098 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 20313105124 its reverse (42150131302), we get a palindrome (62463236426).

The spelling of 20313105124 in words is "twenty billion, three hundred thirteen million, one hundred five thousand, one hundred twenty-four".