320321312022 has 16 divisors (see below), whose sum is σ = 640651062960. Its totient is φ = 106772364192.

The previous prime is 320321311963. The next prime is 320321312027. The reversal of 320321312022 is 220213123023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320321312022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320321312027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211104 + ... + 827772.

It is an arithmetic number, because the mean of its divisors is an integer number (40040691435).

Almost surely, 2^320321312022 is an apocalyptic number.

320321312022 is an abundant number, since it is smaller than the sum of its proper divisors (320329750938).

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

320321312022 is a wasteful number, since it uses less digits than its factorization.

320321312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703247.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 320321312022 its reverse (220213123023), we get a palindrome (540534435045).

The spelling of 320321312022 in words is "three hundred twenty billion, three hundred twenty-one million, three hundred twelve thousand, twenty-two".