100032552220 has 24 divisors (see below), whose sum is σ = 210096180000. Its totient is φ = 40007721792.

The previous prime is 100032552161. The next prime is 100032552247. The reversal of 100032552220 is 22255230001.

It is a junction number, because it is equal to n+sod(n) for n = 100032552191 and 100032552200.

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, 174595 + ... + 480154.

It is an arithmetic number, because the mean of its divisors is an integer number (8754007500).

Almost surely, 2^100032552220 is an apocalyptic number.

100032552220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100032552220 is an abundant number, since it is smaller than the sum of its proper divisors (110063627780).

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

100032552220 is a wasteful number, since it uses less digits than its factorization.

100032552220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662397 (or 662395 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 100032552220 its reverse (22255230001), we get a palindrome (122287782221).

The spelling of 100032552220 in words is "one hundred billion, thirty-two million, five hundred fifty-two thousand, two hundred twenty".