220808392 has 16 divisors (see below), whose sum is σ = 473160960. Its totient is φ = 94632144.

The previous prime is 220808387. The next prime is 220808417. The reversal of 220808392 is 293808022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971448 + ... + 1971559.

It is an arithmetic number, because the mean of its divisors is an integer number (29572560).

Almost surely, 2^220808392 is an apocalyptic number.

It is an amenable number.

220808392 is an abundant number, since it is smaller than the sum of its proper divisors (252352568).

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

220808392 is a wasteful number, since it uses less digits than its factorization.

220808392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943020 (or 3943016 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 220808392 is about 14859.6228754299. The cubic root of 220808392 is about 604.4195803982.

The spelling of 220808392 in words is "two hundred twenty million, eight hundred eight thousand, three hundred ninety-two".