220123232 has 24 divisors (see below), whose sum is σ = 495277776. Its totient is φ = 94338432.

The previous prime is 220123229. The next prime is 220123247. The reversal of 220123232 is 232321022.

It is a super-3 number, since 3×220123232³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 220123232.

It is a congruent number.

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, 491123 + ... + 491570.

It is an arithmetic number, because the mean of its divisors is an integer number (20636574).

Almost surely, 2^220123232 is an apocalyptic number.

It is an amenable number.

220123232 is an abundant number, since it is smaller than the sum of its proper divisors (275154544).

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

220123232 is an equidigital number, since it uses as much as digits as its factorization.

220123232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982710 (or 982702 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220123232 is about 14836.5505424947. The cubic root of 220123232 is about 603.7937690436.

Adding to 220123232 its reverse (232321022), we get a palindrome (452444254).

The spelling of 220123232 in words is "two hundred twenty million, one hundred twenty-three thousand, two hundred thirty-two".