320202442 has 16 divisors (see below), whose sum is σ = 552418560. Its totient is φ = 136354608.

The previous prime is 320202437. The next prime is 320202451. The reversal of 320202442 is 244202023.

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, 70642 + ... + 75037.

It is an arithmetic number, because the mean of its divisors is an integer number (34526160).

Almost surely, 2^320202442 is an apocalyptic number.

320202442 is a deficient number, since it is larger than the sum of its proper divisors (232216118).

320202442 is a wasteful number, since it uses less digits than its factorization.

320202442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145845.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 320202442 is about 17894.2013512758. The cubic root of 320202442 is about 684.1345861610.

Adding to 320202442 its reverse (244202023), we get a palindrome (564404465).

The spelling of 320202442 in words is "three hundred twenty million, two hundred two thousand, four hundred forty-two".