99000920 has 16 divisors (see below), whose sum is σ = 222752160. Its totient is φ = 39600352.

The previous prime is 99000919. The next prime is 99000953. The reversal of 99000920 is 2900099.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1237472 + ... + 1237551.

It is an arithmetic number, because the mean of its divisors is an integer number (13922010).

Almost surely, 2^99000920 is an apocalyptic number.

It is an amenable number.

99000920 is an abundant number, since it is smaller than the sum of its proper divisors (123751240).

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

99000920 is a wasteful number, since it uses less digits than its factorization.

99000920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475034 (or 2475030 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 99000920 is about 9949.9206026983. The cubic root of 99000920 is about 462.6079339037.

The spelling of 99000920 in words is "ninety-nine million, nine hundred twenty", and thus it is an aban number.