100156430220 has 144 divisors (see below), whose sum is σ = 355880625408. Its totient is φ = 20811719040.

The previous prime is 100156430173. The next prime is 100156430221. The reversal of 100156430220 is 22034651001.

It is not an unprimeable number, because it can be changed into a prime (100156430221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1516152 + ... + 1580831.

It is an arithmetic number, because the mean of its divisors is an integer number (2471393232).

Almost surely, 2^100156430220 is an apocalyptic number.

100156430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100156430220 is an abundant number, since it is smaller than the sum of its proper divisors (255724195188).

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

100156430220 is a wasteful number, since it uses less digits than its factorization.

100156430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097020 (or 3097011 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 100156430220 in words is "one hundred billion, one hundred fifty-six million, four hundred thirty thousand, two hundred twenty".