320010402 has 16 divisors (see below), whose sum is σ = 643949280. Its totient is φ = 106015392.

The previous prime is 320010347. The next prime is 320010403. The reversal of 320010402 is 204010023.

320010402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (320010403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162627 + ... + 164582.

It is an arithmetic number, because the mean of its divisors is an integer number (40246830).

Almost surely, 2^320010402 is an apocalyptic number.

320010402 is an abundant number, since it is smaller than the sum of its proper divisors (323938878).

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

320010402 is a wasteful number, since it uses less digits than its factorization.

320010402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327377.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 320010402 is about 17888.8345623744. The cubic root of 320010402 is about 683.9977899111.

Adding to 320010402 its reverse (204010023), we get a palindrome (524020425).

The spelling of 320010402 in words is "three hundred twenty million, ten thousand, four hundred two".