23426730220 has 24 divisors (see below), whose sum is σ = 49344776208. Its totient is φ = 9342379200.

The previous prime is 23426730211. The next prime is 23426730233. The reversal of 23426730220 is 2203762432.

It is a super-2 number, since 2×23426730220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762771 + ... + 1776010.

It is an arithmetic number, because the mean of its divisors is an integer number (2056032342).

Almost surely, 2^23426730220 is an apocalyptic number.

23426730220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23426730220 is an abundant number, since it is smaller than the sum of its proper divisors (25918045988).

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

23426730220 is a wasteful number, since it uses less digits than its factorization.

23426730220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539121 (or 3539119 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 23426730220 in words is "twenty-three billion, four hundred twenty-six million, seven hundred thirty thousand, two hundred twenty".