325205321020 has 12 divisors (see below), whose sum is σ = 682931174184. Its totient is φ = 130082128400.

The previous prime is 325205320981. The next prime is 325205321033. The reversal of 325205321020 is 20123502523.

It is a congruent number.

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, 8130133006 + ... + 8130133045.

It is an arithmetic number, because the mean of its divisors is an integer number (56910931182).

Almost surely, 2^325205321020 is an apocalyptic number.

It is an amenable number.

325205321020 is an abundant number, since it is smaller than the sum of its proper divisors (357725853164).

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

325205321020 is a wasteful number, since it uses less digits than its factorization.

325205321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16260266060 (or 16260266058 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 325205321020 its reverse (20123502523), we get a palindrome (345328823543).

The spelling of 325205321020 in words is "three hundred twenty-five billion, two hundred five million, three hundred twenty-one thousand, twenty".