220764055 has 16 divisors (see below), whose sum is σ = 268993440. Its totient is φ = 173910528.

The previous prime is 220764043. The next prime is 220764067. The reversal of 220764055 is 550467022.

It is an interprime number because it is at equal distance from previous prime (220764043) and next prime (220764067).

It is a cyclic number.

It is not a de Polignac number, because 220764055 - 2²³ = 212375447 is a prime.

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, 125059 + ... + 126811.

It is an arithmetic number, because the mean of its divisors is an integer number (16812090).

Almost surely, 2^220764055 is an apocalyptic number.

220764055 is a deficient number, since it is larger than the sum of its proper divisors (48229385).

220764055 is a wasteful number, since it uses less digits than its factorization.

220764055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 220764055 is about 14858.1309389842. The cubic root of 220764055 is about 604.3791230821.

The spelling of 220764055 in words is "two hundred twenty million, seven hundred sixty-four thousand, fifty-five".