220031100132 has 24 divisors (see below), whose sum is σ = 513434532576. Its totient is φ = 73339609728.

The previous prime is 220031100103. The next prime is 220031100137. The reversal of 220031100132 is 231001130022.

It is not an unprimeable number, because it can be changed into a prime (220031100137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283078 + ... + 721245.

It is an arithmetic number, because the mean of its divisors is an integer number (21393105524).

Almost surely, 2^220031100132 is an apocalyptic number.

It is an amenable number.

220031100132 is an abundant number, since it is smaller than the sum of its proper divisors (293403432444).

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

220031100132 is a wasteful number, since it uses less digits than its factorization.

220031100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022587 (or 1022585 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 220031100132 its reverse (231001130022), we get a palindrome (451032230154).

The spelling of 220031100132 in words is "two hundred twenty billion, thirty-one million, one hundred thousand, one hundred thirty-two".