220055232 has 56 divisors (see below), whose sum is σ = 585801216. Its totient is φ = 72901888.

The previous prime is 220055221. The next prime is 220055233. The reversal of 220055232 is 232550022.

It is a junction number, because it is equal to n+sod(n) for n = 220055199 and 220055208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220055233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28633 + ... + 35495.

It is an arithmetic number, because the mean of its divisors is an integer number (10460736).

Almost surely, 2^220055232 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 220055232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292900608).

220055232 is an abundant number, since it is smaller than the sum of its proper divisors (365745984).

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

220055232 is a wasteful number, since it uses less digits than its factorization.

220055232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045 (or 7035 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 220055232 is about 14834.2587276884. The cubic root of 220055232 is about 603.7315884119.

The spelling of 220055232 in words is "two hundred twenty million, fifty-five thousand, two hundred thirty-two".