320142892 has 12 divisors (see below), whose sum is σ = 560430640. Its totient is φ = 160019856.

The previous prime is 320142877. The next prime is 320142941. The reversal of 320142892 is 298241023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334 + ... + 25522.

Almost surely, 2^320142892 is an apocalyptic number.

It is an amenable number.

320142892 is a deficient number, since it is larger than the sum of its proper divisors (240287748).

320142892 is a wasteful number, since it uses less digits than its factorization.

320142892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25800 (or 25798 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 320142892 is about 17892.5373270534. The cubic root of 320142892 is about 684.0921726385.

The spelling of 320142892 in words is "three hundred twenty million, one hundred forty-two thousand, eight hundred ninety-two".