99210120 has 64 divisors (see below), whose sum is σ = 298710720. Its totient is φ = 26360064.

The previous prime is 99210103. The next prime is 99210121. The reversal of 99210120 is 2101299.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (99210121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35494 + ... + 38186.

It is an arithmetic number, because the mean of its divisors is an integer number (4667355).

Almost surely, 2^99210120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149355360).

99210120 is an abundant number, since it is smaller than the sum of its proper divisors (199500600).

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

99210120 is a wasteful number, since it uses less digits than its factorization.

99210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 99210120 is about 9960.4277016602. The cubic root of 99210120 is about 462.9335520643.

It can be divided in two parts, 9 and 9210120, that added together give a palindrome (9210129).

The spelling of 99210120 in words is "ninety-nine million, two hundred ten thousand, one hundred twenty".