1325445303220 has 12 divisors (see below), whose sum is σ = 2783435136804. Its totient is φ = 530178121280.

The previous prime is 1325445303181. The next prime is 1325445303227. The reversal of 1325445303220 is 223035445231.

It can be written as a sum of positive squares in 2 ways, for example, as 999692023716 + 325753279504 = 999846^2 + 570748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325445303227) 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, 33136132561 + ... + 33136132600.

It is an arithmetic number, because the mean of its divisors is an integer number (231952928067).

Almost surely, 2^{1325445303220} is an apocalyptic number.

1325445303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325445303220 is an abundant number, since it is smaller than the sum of its proper divisors (1457989833584).

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

1325445303220 is a wasteful number, since it uses less digits than its factorization.

1325445303220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66272265170 (or 66272265168 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 1325445303220 in words is "one trillion, three hundred twenty-five billion, four hundred forty-five million, three hundred three thousand, two hundred twenty".