99020175120 has 120 divisors (see below), whose sum is σ = 333294489216. Its totient is φ = 26345689344.

The previous prime is 99020175101. The next prime is 99020175157. The reversal of 99020175120 is 2157102099.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163737 + ... + 474183.

Almost surely, 2^99020175120 is an apocalyptic number.

99020175120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99020175120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166647244608).

99020175120 is an abundant number, since it is smaller than the sum of its proper divisors (234274314096).

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

99020175120 is a wasteful number, since it uses less digits than its factorization.

99020175120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310909 (or 310900 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 99020175120 in words is "ninety-nine billion, twenty million, one hundred seventy-five thousand, one hundred twenty".