320402444204022 has 8 divisors (see below), whose sum is σ = 640804888408056. Its totient is φ = 106800814734672.

The previous prime is 320402444203997. The next prime is 320402444204033. The reversal of 320402444204022 is 220402444204023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

320402444204022 is an admirable number.

It is a super-2 number, since 2×320402444204022² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26700203683663 + ... + 26700203683674.

It is an arithmetic number, because the mean of its divisors is an integer number (80100611051007).

Almost surely, 2^{320402444204022} is an apocalyptic number.

320402444204022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320402444204022 is a wasteful number, since it uses less digits than its factorization.

320402444204022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53400407367342.

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 320402444204022 its reverse (220402444204023), we get a palindrome (540804888408045).

Subtracting from 320402444204022 its reverse (220402444204023), we obtain a palindrome (99999999999999).

The spelling of 320402444204022 in words is "three hundred twenty trillion, four hundred two billion, four hundred forty-four million, two hundred four thousand, twenty-two".