223858960920 has 96 divisors (see below), whose sum is σ = 831476149920. Its totient is φ = 51167761920.

The previous prime is 223858960901. The next prime is 223858960933. The reversal of 223858960920 is 29069858322.

223858960920 is a `hidden beast` number, since 2 + 2 + 3 + 8 + 5 + 8 + 9 + 609 + 20 = 666.

It is a super-2 number, since 2×223858960920² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44413941 + ... + 44418980.

It is an arithmetic number, because the mean of its divisors is an integer number (8661209895).

Almost surely, 2^223858960920 is an apocalyptic number.

223858960920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223858960920 is an abundant number, since it is smaller than the sum of its proper divisors (607617189000).

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

223858960920 is a wasteful number, since it uses less digits than its factorization.

223858960920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88832945 (or 88832938 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 223858960920 in words is "two hundred twenty-three billion, eight hundred fifty-eight million, nine hundred sixty thousand, nine hundred twenty".