23110213220 has 12 divisors (see below), whose sum is σ = 48531447804. Its totient is φ = 9244085280.

The previous prime is 23110213177. The next prime is 23110213307. The reversal of 23110213220 is 2231201132.

It can be written as a sum of positive squares in 2 ways, for example, as 5078557696 + 18031655524 = 71264^2 + 134282^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577755311 + ... + 577755350.

It is an arithmetic number, because the mean of its divisors is an integer number (4044287317).

Almost surely, 2^23110213220 is an apocalyptic number.

23110213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23110213220 is an abundant number, since it is smaller than the sum of its proper divisors (25421234584).

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

23110213220 is a wasteful number, since it uses less digits than its factorization.

23110213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155510670 (or 1155510668 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23110213220 its reverse (2231201132), we get a palindrome (25341414352).

The spelling of 23110213220 in words is "twenty-three billion, one hundred ten million, two hundred thirteen thousand, two hundred twenty".