220056432 has 80 divisors (see below), whose sum is σ = 604247040. Its totient is φ = 68770816.

The previous prime is 220056409. The next prime is 220056443. The reversal of 220056432 is 234650022.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 390583 + ... + 391145.

It is an arithmetic number, because the mean of its divisors is an integer number (7553088).

Almost surely, 2^220056432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220056432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302123520).

220056432 is an abundant number, since it is smaller than the sum of its proper divisors (384190608).

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

220056432 is a wasteful number, since it uses less digits than its factorization.

220056432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1064 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 220056432 is about 14834.2991745482. The cubic root of 220056432 is about 603.7326858282.

The spelling of 220056432 in words is "two hundred twenty million, fifty-six thousand, four hundred thirty-two".