1320230322320 has 80 divisors (see below), whose sum is σ = 3777889866240. Its totient is φ = 417831132672.

The previous prime is 1320230322289. The next prime is 1320230322331. The reversal of 1320230322320 is 232230320231.

It is a tau number, because it is divible by the number of its divisors (80).

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, 90667880 + ... + 90682439.

It is an arithmetic number, because the mean of its divisors is an integer number (47223623328).

Almost surely, 2^{1320230322320} is an apocalyptic number.

1320230322320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320230322320 is an abundant number, since it is smaller than the sum of its proper divisors (2457659543920).

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

1320230322320 is a wasteful number, since it uses less digits than its factorization.

1320230322320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181350352 (or 181350346 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 1320230322320 its reverse (232230320231), we get a palindrome (1552460642551).

The spelling of 1320230322320 in words is "one trillion, three hundred twenty billion, two hundred thirty million, three hundred twenty-two thousand, three hundred twenty".