23959739220 has 24 divisors (see below), whose sum is σ = 67087269984. Its totient is φ = 6389263776.

The previous prime is 23959739179. The next prime is 23959739227. The reversal of 23959739220 is 2293795932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23959739227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199664434 + ... + 199664553.

It is an arithmetic number, because the mean of its divisors is an integer number (2795302916).

Almost surely, 2^23959739220 is an apocalyptic number.

23959739220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23959739220 is an abundant number, since it is smaller than the sum of its proper divisors (43127530764).

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

23959739220 is a wasteful number, since it uses less digits than its factorization.

23959739220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399328999 (or 399328997 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 51.

The spelling of 23959739220 in words is "twenty-three billion, nine hundred fifty-nine million, seven hundred thirty-nine thousand, two hundred twenty".