220432 has 20 divisors (see below), whose sum is σ = 446400. Its totient is φ = 105248.

The previous prime is 220421. The next prime is 220447. The reversal of 220432 is 234022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69 + ... + 667.

It is an arithmetic number, because the mean of its divisors is an integer number (22320).

2²²⁰⁴³² 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 220432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223200).

220432 is an abundant number, since it is smaller than the sum of its proper divisors (225968).

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

220432 is a wasteful number, since it uses less digits than its factorization.

220432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 220432 is about 469.5018636811. The cubic root of 220432 is about 60.4075952029.

Adding to 220432 its reverse (234022), we get a palindrome (454454).

The spelling of 220432 in words is "two hundred twenty thousand, four hundred thirty-two".