220548432 has 40 divisors (see below), whose sum is σ = 613578784. Its totient is φ = 67860864.

The previous prime is 220548421. The next prime is 220548437. The reversal of 220548432 is 234845022.

It is a super-2 number, since 2×220548432² = 97283221715317248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220548432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220548437) 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, 176098 + ... + 177345.

Almost surely, 2^220548432 is an apocalyptic number.

It is an amenable number.

220548432 is an abundant number, since it is smaller than the sum of its proper divisors (393030352).

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

220548432 is a wasteful number, since it uses less digits than its factorization.

220548432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353467 (or 353461 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 220548432 is about 14850.8731056460. The cubic root of 220548432 is about 604.1822907816.

The spelling of 220548432 in words is "two hundred twenty million, five hundred forty-eight thousand, four hundred thirty-two".