220061264 has 20 divisors (see below), whose sum is σ = 426928404. Its totient is φ = 109886208.

The previous prime is 220061213. The next prime is 220061269. The reversal of 220061264 is 462160022.

It can be written as a sum of positive squares in 2 ways, for example, as 46348864 + 173712400 = 6808^2 + 13180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220061269) 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, 4124 + ... + 21380.

Almost surely, 2^220061264 is an apocalyptic number.

It is an amenable number.

220061264 is a deficient number, since it is larger than the sum of its proper divisors (206867140).

220061264 is a wasteful number, since it uses less digits than its factorization.

220061264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18062 (or 18056 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220061264 is about 14834.4620394539. The cubic root of 220061264 is about 603.7371047174.

The spelling of 220061264 in words is "two hundred twenty million, sixty-one thousand, two hundred sixty-four".