320025152 has 28 divisors (see below), whose sum is σ = 655539456. Its totient is φ = 154849920.

The previous prime is 320025149. The next prime is 320025161. The reversal of 320025152 is 251520023.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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, 78668 + ... + 82635.

Almost surely, 2^320025152 is an apocalyptic number.

320025152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320025152 is an abundant number, since it is smaller than the sum of its proper divisors (335514304).

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

320025152 is a wasteful number, since it uses less digits than its factorization.

320025152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161346 (or 161336 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 320025152 is about 17889.2468259566. The cubic root of 320025152 is about 684.0082987491.

Adding to 320025152 its reverse (251520023), we get a palindrome (571545175).

The spelling of 320025152 in words is "three hundred twenty million, twenty-five thousand, one hundred fifty-two".