1320204410340 has 96 divisors (see below), whose sum is σ = 3724746211200. Its totient is φ = 349380864000.

The previous prime is 1320204410297. The next prime is 1320204410347. The reversal of 1320204410340 is 430144020231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320204410340.

It is not an unprimeable number, because it can be changed into a prime (1320204410347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4268940 + ... + 4567740.

It is an arithmetic number, because the mean of its divisors is an integer number (38799439700).

Almost surely, 2^{1320204410340} is an apocalyptic number.

1320204410340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320204410340 is an abundant number, since it is smaller than the sum of its proper divisors (2404541800860).

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

1320204410340 is a wasteful number, since it uses less digits than its factorization.

1320204410340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299373 (or 299371 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1320204410340 its reverse (430144020231), we get a palindrome (1750348430571).

The spelling of 1320204410340 in words is "one trillion, three hundred twenty billion, two hundred four million, four hundred ten thousand, three hundred forty".