23353632220 has 12 divisors (see below), whose sum is σ = 49042627704. Its totient is φ = 9341452880.

The previous prime is 23353632209. The next prime is 23353632223. The reversal of 23353632220 is 2223635332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23353632223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583840786 + ... + 583840825.

It is an arithmetic number, because the mean of its divisors is an integer number (4086885642).

Almost surely, 2^23353632220 is an apocalyptic number.

23353632220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23353632220 is an abundant number, since it is smaller than the sum of its proper divisors (25688995484).

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

23353632220 is a wasteful number, since it uses less digits than its factorization.

23353632220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167681620 (or 1167681618 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 31.

The spelling of 23353632220 in words is "twenty-three billion, three hundred fifty-three million, six hundred thirty-two thousand, two hundred twenty".