320620322 has 32 divisors (see below), whose sum is σ = 549642240. Its totient is φ = 138845520.

The previous prime is 320620301. The next prime is 320620327. The reversal of 320620322 is 223026023.

It is a happy number.

320620322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 320620294 and 320620303.

It is not an unprimeable number, because it can be changed into a prime (320620327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142079 + ... + 144317.

It is an arithmetic number, because the mean of its divisors is an integer number (17176320).

Almost surely, 2^320620322 is an apocalyptic number.

320620322 is a deficient number, since it is larger than the sum of its proper divisors (229021918).

320620322 is a wasteful number, since it uses less digits than its factorization.

320620322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320620322 is about 17905.8739524213. The cubic root of 320620322 is about 684.4320665966.

Adding to 320620322 its reverse (223026023), we get a palindrome (543646345).

The spelling of 320620322 in words is "three hundred twenty million, six hundred twenty thousand, three hundred twenty-two".