320200013 has 8 divisors (see below), whose sum is σ = 366488832. Its totient is φ = 274047696.

The previous prime is 320200003. The next prime is 320200031. The reversal of 320200013 is 310002023.

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

It is a cyclic number.

It is not a de Polignac number, because 320200013 - 2⁸ = 320199757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320199967 and 320200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320200003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29045 + ... + 38522.

It is an arithmetic number, because the mean of its divisors is an integer number (45811104).

Almost surely, 2^320200013 is an apocalyptic number.

It is an amenable number.

320200013 is a deficient number, since it is larger than the sum of its proper divisors (46288819).

320200013 is an equidigital number, since it uses as much as digits as its factorization.

320200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68251.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 320200013 is about 17894.1334799984. The cubic root of 320200013 is about 684.1328562480.

Adding to 320200013 its reverse (310002023), we get a palindrome (630202036).

The spelling of 320200013 in words is "three hundred twenty million, two hundred thousand, thirteen".