23956522220 has 48 divisors (see below), whose sum is σ = 51780357216. Its totient is φ = 9304512000.

The previous prime is 23956522207. The next prime is 23956522241. The reversal of 23956522220 is 2222565932.

It is a super-3 number, since 3×23956522220³ (a number of 32 digits) contains 333 as substring.

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 15 ways as a sum of consecutive naturals, for example, 103790 + ... + 242250.

It is an arithmetic number, because the mean of its divisors is an integer number (1078757442).

Almost surely, 2^23956522220 is an apocalyptic number.

23956522220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23956522220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25890178608).

23956522220 is an abundant number, since it is smaller than the sum of its proper divisors (27823834996).

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

23956522220 is a wasteful number, since it uses less digits than its factorization.

23956522220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138722 (or 138720 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 23956522220 in words is "twenty-three billion, nine hundred fifty-six million, five hundred twenty-two thousand, two hundred twenty".