320020322113 has 4 divisors (see below), whose sum is σ = 321295303728. Its totient is φ = 318745340500.

The previous prime is 320020322099. The next prime is 320020322183. The reversal of 320020322113 is 311223020023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311223020023 = 1021 ⋅304821763.

It is a cyclic number.

It is not a de Polignac number, because 320020322113 - 2⁹ = 320020321601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320020322183) 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, 637490431 + ... + 637490932.

It is an arithmetic number, because the mean of its divisors is an integer number (80323825932).

Almost surely, 2^320020322113 is an apocalyptic number.

It is an amenable number.

320020322113 is a deficient number, since it is larger than the sum of its proper divisors (1274981615).

320020322113 is a wasteful number, since it uses less digits than its factorization.

320020322113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274981614.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320020322113 its reverse (311223020023), we get a palindrome (631243342136).

The spelling of 320020322113 in words is "three hundred twenty billion, twenty million, three hundred twenty-two thousand, one hundred thirteen".