220939057 has 8 divisors (see below), whose sum is σ = 227753856. Its totient is φ = 214212432.

The previous prime is 220939027. The next prime is 220939079. The reversal of 220939057 is 750939022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220939057 - 2¹⁵ = 220906289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220939027) by changing a digit.

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, 16938 + ... + 26995.

It is an arithmetic number, because the mean of its divisors is an integer number (28469232).

Almost surely, 2^220939057 is an apocalyptic number.

It is an amenable number.

220939057 is a deficient number, since it is larger than the sum of its proper divisors (6814799).

220939057 is a wasteful number, since it uses less digits than its factorization.

220939057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44087.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 220939057 is about 14864.0188710860. The cubic root of 220939057 is about 604.5387801421.

The spelling of 220939057 in words is "two hundred twenty million, nine hundred thirty-nine thousand, fifty-seven".