220652138 has 16 divisors (see below), whose sum is σ = 378490560. Its totient is φ = 94507776.

The previous prime is 220652123. The next prime is 220652161. The reversal of 220652138 is 831256022.

220652138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220652138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25853 + ... + 33311.

It is an arithmetic number, because the mean of its divisors is an integer number (23655660).

Almost surely, 2^220652138 is an apocalyptic number.

220652138 is a deficient number, since it is larger than the sum of its proper divisors (157838422).

220652138 is a wasteful number, since it uses less digits than its factorization.

220652138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 220652138 is about 14854.3642745154. The cubic root of 220652138 is about 604.2769752155.

The spelling of 220652138 in words is "two hundred twenty million, six hundred fifty-two thousand, one hundred thirty-eight".