99013920 has 48 divisors (see below), whose sum is σ = 311895360. Its totient is φ = 26403584.

The previous prime is 99013909. The next prime is 99013931. The reversal of 99013920 is 2931099.

It is an interprime number because it is at equal distance from previous prime (99013909) and next prime (99013931).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102660 + ... + 103619.

It is an arithmetic number, because the mean of its divisors is an integer number (6497820).

Almost surely, 2^99013920 is an apocalyptic number.

It is an amenable number.

99013920 is an abundant number, since it is smaller than the sum of its proper divisors (212881440).

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

99013920 is a wasteful number, since it uses less digits than its factorization.

99013920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206297 (or 206289 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 99013920 is about 9950.5738527986. The cubic root of 99013920 is about 462.6281816614.

The spelling of 99013920 in words is "ninety-nine million, thirteen thousand, nine hundred twenty".