320522404052 has 6 divisors (see below), whose sum is σ = 560914207098. Its totient is φ = 160261202024.

The previous prime is 320522403989. The next prime is 320522404127. The reversal of 320522404052 is 250404225023.

It can be written as a sum of positive squares in only one way, i.e., 230242586896 + 90279817156 = 479836^2 + 300466^2 .

It is a super-2 number, since 2×320522404052² (a number of 24 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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40065300503 + ... + 40065300510.

It is an arithmetic number, because the mean of its divisors is an integer number (93485701183).

Almost surely, 2^320522404052 is an apocalyptic number.

It is an amenable number.

320522404052 is a deficient number, since it is larger than the sum of its proper divisors (240391803046).

320522404052 is a wasteful number, since it uses less digits than its factorization.

320522404052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80130601017 (or 80130601015 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 320522404052 its reverse (250404225023), we get a palindrome (570926629075).

The spelling of 320522404052 in words is "three hundred twenty billion, five hundred twenty-two million, four hundred four thousand, fifty-two".