220867885 has 16 divisors (see below), whose sum is σ = 307873152. Its totient is φ = 148968000.

The previous prime is 220867853. The next prime is 220867891. The reversal of 220867885 is 588768022.

It is a happy number.

220867885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220867885 - 2⁵ = 220867853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49591 + ... + 53860.

It is an arithmetic number, because the mean of its divisors is an integer number (19242072).

Almost surely, 2^220867885 is an apocalyptic number.

It is an amenable number.

220867885 is a deficient number, since it is larger than the sum of its proper divisors (87005267).

220867885 is a wasteful number, since it uses less digits than its factorization.

220867885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103524.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 220867885 is about 14861.6245747226. The cubic root of 220867885 is about 604.4738589891.

The spelling of 220867885 in words is "two hundred twenty million, eight hundred sixty-seven thousand, eight hundred eighty-five".