9920268 has 36 divisors (see below), whose sum is σ = 26168688. Its totient is φ = 3162720.

The previous prime is 9920257. The next prime is 9920293. The reversal of 9920268 is 8620299.

It is a tau number, because it is divible by the number of its divisors (36).

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 (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5163 + ... + 6818.

It is an arithmetic number, because the mean of its divisors is an integer number (726908).

Almost surely, 2^9920268 is an apocalyptic number.

It is an amenable number.

9920268 is an abundant number, since it is smaller than the sum of its proper divisors (16248420).

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

9920268 is a wasteful number, since it uses less digits than its factorization.

9920268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014 (or 12009 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9920268 is about 3149.6456943599. The cubic root of 9920268 is about 214.8693491423.

The spelling of 9920268 in words is "nine million, nine hundred twenty thousand, two hundred sixty-eight".