23694885220 has 24 divisors (see below), whose sum is σ = 49814158464. Its totient is φ = 9467497056.

The previous prime is 23694885191. The next prime is 23694885239. The reversal of 23694885220 is 2258849632.

It is a super-2 number, since 2×23694885220² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634972 + ... + 671251.

It is an arithmetic number, because the mean of its divisors is an integer number (2075589936).

Almost surely, 2^23694885220 is an apocalyptic number.

23694885220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23694885220 is an abundant number, since it is smaller than the sum of its proper divisors (26119273244).

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

23694885220 is a wasteful number, since it uses less digits than its factorization.

23694885220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307139 (or 1307137 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 23694885220 in words is "twenty-three billion, six hundred ninety-four million, eight hundred eighty-five thousand, two hundred twenty".