9920112 has 40 divisors (see below), whose sum is σ = 27136656. Its totient is φ = 3111936.

The previous prime is 9920111. The next prime is 9920123. The reversal of 9920112 is 2110299.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920111) by changing a digit.

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, 5263 + ... + 6894.

Almost surely, 2^9920112 is an apocalyptic number.

It is an amenable number.

9920112 is an abundant number, since it is smaller than the sum of its proper divisors (17216544).

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

9920112 is a wasteful number, since it uses less digits than its factorization.

9920112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12185 (or 12179 counting only the distinct ones).

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

The square root of 9920112 is about 3149.6209295723. The cubic root of 9920112 is about 214.8682228356.

The spelling of 9920112 in words is "nine million, nine hundred twenty thousand, one hundred twelve".