220132312232 has 24 divisors (see below), whose sum is σ = 480135528810. Its totient is φ = 94342419360.

The previous prime is 220132312219. The next prime is 220132312247. The reversal of 220132312232 is 232213231022.

It can be written as a sum of positive squares in only one way, i.e., 164938327876 + 55193984356 = 406126^2 + 234934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220132312198 and 220132312207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280780619 + ... + 280781402.

Almost surely, 2^220132312232 is an apocalyptic number.

It is an amenable number.

220132312232 is an abundant number, since it is smaller than the sum of its proper divisors (260003216578).

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

220132312232 is a wasteful number, since it uses less digits than its factorization.

220132312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561562041 (or 561562030 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 220132312232 its reverse (232213231022), we get a palindrome (452345543254).

The spelling of 220132312232 in words is "two hundred twenty billion, one hundred thirty-two million, three hundred twelve thousand, two hundred thirty-two".