23313122220 has 48 divisors (see below), whose sum is σ = 65330062560. Its totient is φ = 6211754496.

The previous prime is 23313122213. The next prime is 23313122237. The reversal of 23313122220 is 2222131332.

It is a happy 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, 84337 + ... + 231816.

It is an arithmetic number, because the mean of its divisors is an integer number (1361042970).

Almost surely, 2^23313122220 is an apocalyptic number.

23313122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23313122220 is an abundant number, since it is smaller than the sum of its proper divisors (42016940340).

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

23313122220 is a wasteful number, since it uses less digits than its factorization.

23313122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317394 (or 317392 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23313122220 its reverse (2222131332), we get a palindrome (25535253552).

The spelling of 23313122220 in words is "twenty-three billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty".