9320820 has 48 divisors (see below), whose sum is σ = 26550720. Its totient is φ = 2442496.

The previous prime is 9320807. The next prime is 9320833. The reversal of 9320820 is 280239.

9320820 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9320807) and next prime (9320833).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (553140).

Almost surely, 2^9320820 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 9320820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13275360).

9320820 is an abundant number, since it is smaller than the sum of its proper divisors (17229900).

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

9320820 is a wasteful number, since it uses less digits than its factorization.

9320820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 9320820 is about 3053.0018015062. The cubic root of 9320820 is about 210.4511841335.

The spelling of 9320820 in words is "nine million, three hundred twenty thousand, eight hundred twenty".