1325243240220 has 48 divisors (see below), whose sum is σ = 3771511920288. Its totient is φ = 347604783360.

The previous prime is 1325243240119. The next prime is 1325243240327. The reversal of 1325243240220 is 220423425231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181040499 + ... + 181047818.

It is an arithmetic number, because the mean of its divisors is an integer number (78573165006).

Almost surely, 2^{1325243240220} is an apocalyptic number.

1325243240220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325243240220 is an abundant number, since it is smaller than the sum of its proper divisors (2446268680068).

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

1325243240220 is a wasteful number, since it uses less digits than its factorization.

1325243240220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362088390 (or 362088388 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 1325243240220 its reverse (220423425231), we get a palindrome (1545666665451).

The spelling of 1325243240220 in words is "one trillion, three hundred twenty-five billion, two hundred forty-three million, two hundred forty thousand, two hundred twenty".