320340420213422 has 16 divisors (see below), whose sum is σ = 556106335272960. Its totient is φ = 135550919221848.

The previous prime is 320340420213419. The next prime is 320340420213427. The reversal of 320340420213422 is 224312024043023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320340420213427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144819357038 + ... + 144819359249.

It is an arithmetic number, because the mean of its divisors is an integer number (34756645954560).

Almost surely, 2^{320340420213422} is an apocalyptic number.

320340420213422 is a deficient number, since it is larger than the sum of its proper divisors (235765915059538).

320340420213422 is a wasteful number, since it uses less digits than its factorization.

320340420213422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289638716375.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 320340420213422 its reverse (224312024043023), we get a palindrome (544652444256445).

The spelling of 320340420213422 in words is "three hundred twenty trillion, three hundred forty billion, four hundred twenty million, two hundred thirteen thousand, four hundred twenty-two".