320502504052 has 6 divisors (see below), whose sum is σ = 560879382098. Its totient is φ = 160251252024.

The previous prime is 320502504037. The next prime is 320502504067. The reversal of 320502504052 is 250405205023.

It is an interprime number because it is at equal distance from previous prime (320502504037) and next prime (320502504067).

It can be written as a sum of positive squares in only one way, i.e., 320496383376 + 6120676 = 566124^2 + 2474^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320502504052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40062813003 + ... + 40062813010.

Almost surely, 2^320502504052 is an apocalyptic number.

It is an amenable number.

320502504052 is a deficient number, since it is larger than the sum of its proper divisors (240376878046).

320502504052 is a wasteful number, since it uses less digits than its factorization.

320502504052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80125626017 (or 80125626015 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 320502504052 its reverse (250405205023), we get a palindrome (570907709075).

The spelling of 320502504052 in words is "three hundred twenty billion, five hundred two million, five hundred four thousand, fifty-two".