220031032 has 16 divisors (see below), whose sum is σ = 444293640. Its totient is φ = 101552736.

The previous prime is 220031003. The next prime is 220031047. The reversal of 220031032 is 230130022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057738 + ... + 1057945.

Almost surely, 2^220031032 is an apocalyptic number.

It is an amenable number.

220031032 is an abundant number, since it is smaller than the sum of its proper divisors (224262608).

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

220031032 is a wasteful number, since it uses less digits than its factorization.

220031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115702 (or 2115698 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 220031032 is about 14833.4430258116. The cubic root of 220031032 is about 603.7094563318.

Adding to 220031032 its reverse (230130022), we get a palindrome (450161054).

The spelling of 220031032 in words is "two hundred twenty million, thirty-one thousand, thirty-two".