320204013 has 8 divisors (see below), whose sum is σ = 427034976. Its totient is φ = 213421200.

The previous prime is 320203981. The next prime is 320204039. The reversal of 320204013 is 310402023.

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

It is not a de Polignac number, because 320204013 - 2⁵ = 320203981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320203983 and 320204001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320204063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8478 + ... + 26688.

It is an arithmetic number, because the mean of its divisors is an integer number (53379372).

Almost surely, 2^320204013 is an apocalyptic number.

It is an amenable number.

320204013 is a deficient number, since it is larger than the sum of its proper divisors (106830963).

320204013 is a wasteful number, since it uses less digits than its factorization.

320204013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24075.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320204013 is about 17894.2452481238. The cubic root of 320204013 is about 684.1357050091.

Adding to 320204013 its reverse (310402023), we get a palindrome (630606036).

The spelling of 320204013 in words is "three hundred twenty million, two hundred four thousand, thirteen".