220260256 has 24 divisors (see below), whose sum is σ = 436955904. Its totient is φ = 109287360.

The previous prime is 220260253. The next prime is 220260311. The reversal of 220260256 is 652062022.

It is a self number, because there is not a number n which added to its sum of digits gives 220260256.

It is not an unprimeable number, because it can be changed into a prime (220260251) 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, 22080 + ... + 30463.

It is an arithmetic number, because the mean of its divisors is an integer number (18206496).

Almost surely, 2^220260256 is an apocalyptic number.

It is an amenable number.

220260256 is a deficient number, since it is larger than the sum of its proper divisors (216695648).

220260256 is a wasteful number, since it uses less digits than its factorization.

220260256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684 (or 52676 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 220260256 is about 14841.1676090529. The cubic root of 220260256 is about 603.9190277840.

The spelling of 220260256 in words is "two hundred twenty million, two hundred sixty thousand, two hundred fifty-six".