320422242340 has 24 divisors (see below), whose sum is σ = 673136687160. Its totient is φ = 128121282048.

The previous prime is 320422242233. The next prime is 320422242353. The reversal of 320422242340 is 43242224023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2542781476 + 317879460864 = 50426^2 + 563808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 320422242299 and 320422242308.

It is an unprimeable number.

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, 2920725 + ... + 3028444.

It is an arithmetic number, because the mean of its divisors is an integer number (28047361965).

Almost surely, 2^320422242340 is an apocalyptic number.

It is an amenable number.

320422242340 is an abundant number, since it is smaller than the sum of its proper divisors (352714444820).

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

320422242340 is a wasteful number, since it uses less digits than its factorization.

320422242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951871 (or 5951869 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 320422242340 its reverse (43242224023), we get a palindrome (363664466363).

The spelling of 320422242340 in words is "three hundred twenty billion, four hundred twenty-two million, two hundred forty-two thousand, three hundred forty".