23133233220 has 48 divisors (see below), whose sum is σ = 65202039168. Its totient is φ = 6128006400.

The previous prime is 23133233171. The next prime is 23133233257. The reversal of 23133233220 is 2233233132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267609 + ... + 1285728.

It is an arithmetic number, because the mean of its divisors is an integer number (1358375816).

Almost surely, 2^23133233220 is an apocalyptic number.

23133233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133233220 is an abundant number, since it is smaller than the sum of its proper divisors (42068805948).

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

23133233220 is a wasteful number, since it uses less digits than its factorization.

23133233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553500 (or 2553498 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23133233220 its reverse (2233233132), we get a palindrome (25366466352).

The spelling of 23133233220 in words is "twenty-three billion, one hundred thirty-three million, two hundred thirty-three thousand, two hundred twenty".