220532 has 12 divisors (see below), whose sum is σ = 415716. Its totient is φ = 101760.

The previous prime is 220529. The next prime is 220537. The reversal of 220532 is 235022.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 80656 = 374^2 + 284^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069 + ... + 2172.

It is an arithmetic number, because the mean of its divisors is an integer number (34643).

2²²⁰⁵³² is an apocalyptic number.

It is an amenable number.

220532 is a deficient number, since it is larger than the sum of its proper divisors (195184).

220532 is a wasteful number, since it uses less digits than its factorization.

220532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258 (or 4256 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 220532 is about 469.6083474556. The cubic root of 220532 is about 60.4167285506.

Adding to 220532 its reverse (235022), we get a palindrome (455554).

The spelling of 220532 in words is "two hundred twenty thousand, five hundred thirty-two".