100020195816 has 16 divisors (see below), whose sum is σ = 250050489600. Its totient is φ = 33340065264.

The previous prime is 100020195787. The next prime is 100020195817. The reversal of 100020195816 is 618591020001.

It is not an unprimeable number, because it can be changed into a prime (100020195817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083754056 + ... + 2083754103.

It is an arithmetic number, because the mean of its divisors is an integer number (15628155600).

Almost surely, 2^100020195816 is an apocalyptic number.

It is an amenable number.

100020195816 is an abundant number, since it is smaller than the sum of its proper divisors (150030293784).

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

100020195816 is a wasteful number, since it uses less digits than its factorization.

100020195816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167508168 (or 4167508164 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 100020195816 in words is "one hundred billion, twenty million, one hundred ninety-five thousand, eight hundred sixteen".