8820320 has 24 divisors (see below), whose sum is σ = 20838384. Its totient is φ = 3528064.

The previous prime is 8820299. The next prime is 8820347. The reversal of 8820320 is 230288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27404 + ... + 27723.

It is an arithmetic number, because the mean of its divisors is an integer number (868266).

Almost surely, 2^8820320 is an apocalyptic number.

8820320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8820320 is an abundant number, since it is smaller than the sum of its proper divisors (12018064).

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

8820320 is a wasteful number, since it uses less digits than its factorization.

8820320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55142 (or 55134 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8820320 is about 2969.9023552972. The cubic root of 8820320 is about 206.6148095118.

It can be divided in two parts, 8820 and 320, that multiplied together give a square (2822400 = 1680²).

The spelling of 8820320 in words is "eight million, eight hundred twenty thousand, three hundred twenty".