1320341303424 has 256 divisors, whose sum is σ = 4172465203200. Its totient is φ = 364650024960.

The previous prime is 1320341303389. The next prime is 1320341303453. The reversal of 1320341303424 is 4243031430231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1320341303391 and 1320341303400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4185867 + ... + 4490229.

It is an arithmetic number, because the mean of its divisors is an integer number (16298692200).

Almost surely, 2^{1320341303424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320341303424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2086232601600).

1320341303424 is an abundant number, since it is smaller than the sum of its proper divisors (2852123899776).

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

1320341303424 is a wasteful number, since it uses less digits than its factorization.

1320341303424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304483 (or 304471 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1320341303424 its reverse (4243031430231), we get a palindrome (5563372733655).

The spelling of 1320341303424 in words is "one trillion, three hundred twenty billion, three hundred forty-one million, three hundred three thousand, four hundred twenty-four".