325664020 has 24 divisors (see below), whose sum is σ = 746067168. Its totient is φ = 118423200.

The previous prime is 325663999. The next prime is 325664041. The reversal of 325664020 is 20466523.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (325663999) and next prime (325664041).

It is a super-3 number, since 3×325664020³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325664020.

It is a congruent number.

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, 739926 + ... + 740365.

It is an arithmetic number, because the mean of its divisors is an integer number (31086132).

Almost surely, 2^325664020 is an apocalyptic number.

It is an amenable number.

325664020 is an abundant number, since it is smaller than the sum of its proper divisors (420403148).

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

325664020 is a wasteful number, since it uses less digits than its factorization.

325664020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480311 (or 1480309 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 325664020 is about 18046.1635812158. The cubic root of 325664020 is about 688.0023576853.

It can be divided in two parts, 3256 and 64020, that added together give a palindrome (67276).

The spelling of 325664020 in words is "three hundred twenty-five million, six hundred sixty-four thousand, twenty".