320213744375752 has 32 divisors (see below), whose sum is σ = 602015962692600. Its totient is φ = 159676609881600.

The previous prime is 320213744375743. The next prime is 320213744375851. The reversal of 320213744375752 is 257573447312023.

It can be written as a sum of positive squares in 4 ways, for example, as 305512854113476 + 14700890262276 = 17478926^2 + 3834174^2 .

It is a super-2 number, since 2×320213744375752² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320213744375693 and 320213744375702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22847949 + ... + 34094812.

Almost surely, 2^{320213744375752} is an apocalyptic number.

It is an amenable number.

320213744375752 is a deficient number, since it is larger than the sum of its proper divisors (281802218316848).

320213744375752 is a wasteful number, since it uses less digits than its factorization.

320213744375752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56944657 (or 56944653 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 55.

The spelling of 320213744375752 in words is "three hundred twenty trillion, two hundred thirteen billion, seven hundred forty-four million, three hundred seventy-five thousand, seven hundred fifty-two".