325330220 has 24 divisors (see below), whose sum is σ = 684789504. Its totient is φ = 129828096.

The previous prime is 325330199. The next prime is 325330223. The reversal of 325330220 is 22033523.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 325330192 and 325330201.

It is not an unprimeable number, because it can be changed into a prime (325330223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10124 + ... + 27443.

It is an arithmetic number, because the mean of its divisors is an integer number (28532896).

Almost surely, 2^325330220 is an apocalyptic number.

It is an amenable number.

325330220 is an abundant number, since it is smaller than the sum of its proper divisors (359459284).

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

325330220 is a wasteful number, since it uses less digits than its factorization.

325330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38009 (or 38007 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 325330220 is about 18036.9127070017. The cubic root of 325330220 is about 687.7672138133.

Adding to 325330220 its reverse (22033523), we get a palindrome (347363743).

The spelling of 325330220 in words is "three hundred twenty-five million, three hundred thirty thousand, two hundred twenty".