100202320120 has 32 divisors (see below), whose sum is σ = 257663109600. Its totient is φ = 34355081088.

The previous prime is 100202320111. The next prime is 100202320123. The reversal of 100202320120 is 21023202001.

It is a self number, because there is not a number n which added to its sum of digits gives 100202320120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202320123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178932435 + ... + 178932994.

It is an arithmetic number, because the mean of its divisors is an integer number (8051972175).

Almost surely, 2^100202320120 is an apocalyptic number.

100202320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100202320120 is an abundant number, since it is smaller than the sum of its proper divisors (157460789480).

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

100202320120 is a wasteful number, since it uses less digits than its factorization.

100202320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357865447 (or 357865443 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100202320120 its reverse (21023202001), we get a palindrome (121225522121).

The spelling of 100202320120 in words is "one hundred billion, two hundred two million, three hundred twenty thousand, one hundred twenty".