23330747251920 has 80 divisors (see below), whose sum is σ = 72965363614272. Its totient is φ = 6166474782720.

The previous prime is 23330747251901. The next prime is 23330747251921. The reversal of 23330747251920 is 2915274703332.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 23330747251920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23330747251921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430112026 + ... + 430166265.

Almost surely, 2^{23330747251920} is an apocalyptic number.

23330747251920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23330747251920 is an abundant number, since it is smaller than the sum of its proper divisors (49634616362352).

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

23330747251920 is a wasteful number, since it uses less digits than its factorization.

23330747251920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860278420 (or 860278414 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 48.

The spelling of 23330747251920 in words is "twenty-three trillion, three hundred thirty billion, seven hundred forty-seven million, two hundred fifty-one thousand, nine hundred twenty".