220256832 has 56 divisors (see below), whose sum is σ = 608112576. Its totient is φ = 70225408.

The previous prime is 220256831. The next prime is 220256837. The reversal of 220256832 is 238652022.

It is a self number, because there is not a number n which added to its sum of digits gives 220256832.

It is not an unprimeable number, because it can be changed into a prime (220256831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20523 + ... + 29354.

Almost surely, 2^220256832 is an apocalyptic number.

It is an amenable number.

220256832 is an abundant number, since it is smaller than the sum of its proper divisors (387855744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220256832 is a wasteful number, since it uses less digits than its factorization.

220256832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49915 (or 49905 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 220256832 is about 14841.0522537993. The cubic root of 220256832 is about 603.9158984111.

The spelling of 220256832 in words is "two hundred twenty million, two hundred fifty-six thousand, eight hundred thirty-two".