220142232 has 32 divisors (see below), whose sum is σ = 611506800. Its totient is φ = 73380672.

The previous prime is 220142203. The next prime is 220142287. The reversal of 220142232 is 232241022.

220142232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509373 + ... + 509804.

Almost surely, 2^220142232 is an apocalyptic number.

It is an amenable number.

220142232 is an abundant number, since it is smaller than the sum of its proper divisors (391364568).

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

220142232 is a wasteful number, since it uses less digits than its factorization.

220142232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019192 (or 1019182 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 220142232 is about 14837.1908392391. The cubic root of 220142232 is about 603.8111407547.

Adding to 220142232 its reverse (232241022), we get a palindrome (452383254).

The spelling of 220142232 in words is "two hundred twenty million, one hundred forty-two thousand, two hundred thirty-two".