320133152 has 24 divisors (see below), whose sum is σ = 631658412. Its totient is φ = 159712000.

The previous prime is 320133133. The next prime is 320133157. The reversal of 320133152 is 251331023.

It can be written as a sum of positive squares in 2 ways, for example, as 315275536 + 4857616 = 17756^2 + 2204^2 .

It is not an unprimeable number, because it can be changed into a prime (320133157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902 + ... + 25602.

Almost surely, 2^320133152 is an apocalyptic number.

320133152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320133152 is a deficient number, since it is larger than the sum of its proper divisors (311525260).

320133152 is a wasteful number, since it uses less digits than its factorization.

320133152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22172 (or 22164 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 320133152 is about 17892.2651444696. The cubic root of 320133152 is about 684.0852349808.

Adding to 320133152 its reverse (251331023), we get a palindrome (571464175).

The spelling of 320133152 in words is "three hundred twenty million, one hundred thirty-three thousand, one hundred fifty-two".