320420104 has 32 divisors (see below), whose sum is σ = 635104800. Its totient is φ = 151130880.

The previous prime is 320420099. The next prime is 320420117. The reversal of 320420104 is 401024023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32259 + ... + 41005.

It is an arithmetic number, because the mean of its divisors is an integer number (19847025).

Almost surely, 2^320420104 is an apocalyptic number.

It is an amenable number.

320420104 is a deficient number, since it is larger than the sum of its proper divisors (314684696).

320420104 is a wasteful number, since it uses less digits than its factorization.

320420104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9013 (or 9009 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 320420104 is about 17900.2822324119. The cubic root of 320420104 is about 684.2895676709.

Adding to 320420104 its reverse (401024023), we get a palindrome (721444127).

The spelling of 320420104 in words is "three hundred twenty million, four hundred twenty thousand, one hundred four".