223896920 has 32 divisors (see below), whose sum is σ = 542520720. Its totient is φ = 82669440.

The previous prime is 223896887. The next prime is 223896943. The reversal of 223896920 is 29698322.

It is a congruent number.

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, 214766 + ... + 215805.

Almost surely, 2^223896920 is an apocalyptic number.

223896920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223896920 is an abundant number, since it is smaller than the sum of its proper divisors (318623800).

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

223896920 is a wasteful number, since it uses less digits than its factorization.

223896920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430595 (or 430591 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 223896920 is about 14963.1854897278. The cubic root of 223896920 is about 607.2246218700.

The spelling of 223896920 in words is "two hundred twenty-three million, eight hundred ninety-six thousand, nine hundred twenty".