10312012020 has 48 divisors (see below), whose sum is σ = 28883651328. Its totient is φ = 2748915840.

The previous prime is 10312012001. The next prime is 10312012069. The reversal of 10312012020 is 2021021301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10312011987 and 10312012005.

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, 153925 + ... + 210515.

It is an arithmetic number, because the mean of its divisors is an integer number (601742736).

Almost surely, 2^10312012020 is an apocalyptic number.

10312012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312012020 is an abundant number, since it is smaller than the sum of its proper divisors (18571639308).

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

10312012020 is a wasteful number, since it uses less digits than its factorization.

10312012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59640 (or 59638 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10312012020 its reverse (2021021301), we get a palindrome (12333033321).

The spelling of 10312012020 in words is "ten billion, three hundred twelve million, twelve thousand, twenty".