10312220220 has 96 divisors (see below), whose sum is σ = 29102481408. Its totient is φ = 2728276992.

The previous prime is 10312220203. The next prime is 10312220239. The reversal of 10312220220 is 2202221301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10312220220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4507917 + ... + 4510203.

It is an arithmetic number, because the mean of its divisors is an integer number (303150848).

Almost surely, 2^10312220220 is an apocalyptic number.

10312220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312220220 is an abundant number, since it is smaller than the sum of its proper divisors (18790261188).

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

10312220220 is a wasteful number, since it uses less digits than its factorization.

10312220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 10312220220 its reverse (2202221301), we get a palindrome (12514441521).

The spelling of 10312220220 in words is "ten billion, three hundred twelve million, two hundred twenty thousand, two hundred twenty".