920322 has 80 divisors (see below), whose sum is σ = 2439360. Its totient is φ = 256608.

The previous prime is 920291. The next prime is 920323. The reversal of 920322 is 223029.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 920295 and 920304.

It is not an unprimeable number, because it can be changed into a prime (920323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40003 + ... + 40025.

It is an arithmetic number, because the mean of its divisors is an integer number (30492).

2⁹²⁰³²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1219680).

920322 is an abundant number, since it is smaller than the sum of its proper divisors (1519038).

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

920322 is a wasteful number, since it uses less digits than its factorization.

920322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 920322 is about 959.3341440812. The cubic root of 920322 is about 97.2702281680.

The spelling of 920322 in words is "nine hundred twenty thousand, three hundred twenty-two".