23204243220 has 48 divisors (see below), whose sum is σ = 67796749440. Its totient is φ = 5918763136.

The previous prime is 23204243213. The next prime is 23204243261. The reversal of 23204243220 is 2234240232.

It is a happy number.

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, 8405955 + ... + 8408714.

It is an arithmetic number, because the mean of its divisors is an integer number (1412432280).

Almost surely, 2^23204243220 is an apocalyptic number.

23204243220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23204243220 is an abundant number, since it is smaller than the sum of its proper divisors (44592506220).

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

23204243220 is a wasteful number, since it uses less digits than its factorization.

23204243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16814704 (or 16814702 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 23204243220 its reverse (2234240232), we get a palindrome (25438483452).

The spelling of 23204243220 in words is "twenty-three billion, two hundred four million, two hundred forty-three thousand, two hundred twenty".