320143320026 has 8 divisors (see below), whose sum is σ = 480219490164. Its totient is φ = 160070156640.

The previous prime is 320143319933. The next prime is 320143320043. The reversal of 320143320026 is 620023341023.

It can be written as a sum of positive squares in 2 ways, for example, as 235171653025 + 84971667001 = 484945^2 + 291499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 320143319977 and 320143320004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463385 + ... + 924668.

Almost surely, 2^320143320026 is an apocalyptic number.

320143320026 is a deficient number, since it is larger than the sum of its proper divisors (160076170138).

320143320026 is a wasteful number, since it uses less digits than its factorization.

320143320026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503376.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 320143320026 its reverse (620023341023), we get a palindrome (940166661049).

The spelling of 320143320026 in words is "three hundred twenty billion, one hundred forty-three million, three hundred twenty thousand, twenty-six".