320212442 has 32 divisors (see below), whose sum is σ = 556792704. Its totient is φ = 136499200.

The previous prime is 320212381. The next prime is 320212469. The reversal of 320212442 is 244212023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114938 + ... + 117690.

It is an arithmetic number, because the mean of its divisors is an integer number (17399772).

Almost surely, 2^320212442 is an apocalyptic number.

320212442 is a deficient number, since it is larger than the sum of its proper divisors (236580262).

320212442 is a wasteful number, since it uses less digits than its factorization.

320212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 320212442 is about 17894.4807692204. The cubic root of 320212442 is about 684.1417079832.

Adding to 320212442 its reverse (244212023), we get a palindrome (564424465).

The spelling of 320212442 in words is "three hundred twenty million, two hundred twelve thousand, four hundred forty-two".