320297808052 has 12 divisors (see below), whose sum is σ = 560538481216. Its totient is φ = 160143956280.

The previous prime is 320297808041. The next prime is 320297808053. The reversal of 320297808052 is 250808792023.

It is a junction number, because it is equal to n+sod(n) for n = 320297807993 and 320297808011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320297808053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089324 + ... + 1351747.

Almost surely, 2^320297808052 is an apocalyptic number.

It is an amenable number.

320297808052 is a deficient number, since it is larger than the sum of its proper divisors (240240673164).

320297808052 is a wasteful number, since it uses less digits than its factorization.

320297808052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473878 (or 2473876 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 320297808052 in words is "three hundred twenty billion, two hundred ninety-seven million, eight hundred eight thousand, fifty-two".