220682864 has 20 divisors (see below), whose sum is σ = 427892256. Its totient is φ = 110259072.

The previous prime is 220682863. The next prime is 220682867. The reversal of 220682864 is 468286022.

220682864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220682863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20972 + ... + 29684.

Almost surely, 2^220682864 is an apocalyptic number.

It is an amenable number.

220682864 is a deficient number, since it is larger than the sum of its proper divisors (207209392).

220682864 is a wasteful number, since it uses less digits than its factorization.

220682864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10304 (or 10298 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 220682864 is about 14855.3984800139. The cubic root of 220682864 is about 604.3050226099.

The spelling of 220682864 in words is "two hundred twenty million, six hundred eighty-two thousand, eight hundred sixty-four".