100204434120 has 64 divisors (see below), whose sum is σ = 343558062720. Its totient is φ = 22903870464.

The previous prime is 100204434119. The next prime is 100204434151. The reversal of 100204434120 is 21434402001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59644657 + ... + 59646336.

It is an arithmetic number, because the mean of its divisors is an integer number (5368094730).

Almost surely, 2^100204434120 is an apocalyptic number.

100204434120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100204434120 is an abundant number, since it is smaller than the sum of its proper divisors (243353628600).

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

100204434120 is a wasteful number, since it uses less digits than its factorization.

100204434120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119291014 (or 119291010 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 100204434120 its reverse (21434402001), we get a palindrome (121638836121).

The spelling of 100204434120 in words is "one hundred billion, two hundred four million, four hundred thirty-four thousand, one hundred twenty".