220596913 has 16 divisors (see below), whose sum is σ = 237660480. Its totient is φ = 204019200.

The previous prime is 220596907. The next prime is 220596919. The reversal of 220596913 is 319695022.

It is an interprime number because it is at equal distance from previous prime (220596907) and next prime (220596919).

It is a cyclic number.

It is not a de Polignac number, because 220596913 - 2⁹ = 220596401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220596919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318898 + ... + 319588.

It is an arithmetic number, because the mean of its divisors is an integer number (14853780).

Almost surely, 2^220596913 is an apocalyptic number.

It is an amenable number.

220596913 is a deficient number, since it is larger than the sum of its proper divisors (17063567).

220596913 is a wasteful number, since it uses less digits than its factorization.

220596913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 220596913 is about 14852.5052768885. The cubic root of 220596913 is about 604.2265580284.

The spelling of 220596913 in words is "two hundred twenty million, five hundred ninety-six thousand, nine hundred thirteen".