320424066 has 16 divisors (see below), whose sum is σ = 712053600. Its totient is φ = 106808004.

The previous prime is 320424031. The next prime is 320424127. The reversal of 320424066 is 660424023.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2966836 + ... + 2966943.

It is an arithmetic number, because the mean of its divisors is an integer number (44503350).

Almost surely, 2^320424066 is an apocalyptic number.

320424066 is an abundant number, since it is smaller than the sum of its proper divisors (391629534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320424066 is a wasteful number, since it uses less digits than its factorization.

320424066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933790 (or 5933784 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 320424066 is about 17900.3929007159. The cubic root of 320424066 is about 684.2923880766.

Adding to 320424066 its reverse (660424023), we get a palindrome (980848089).

The spelling of 320424066 in words is "three hundred twenty million, four hundred twenty-four thousand, sixty-six".