1320342420344 has 8 divisors (see below), whose sum is σ = 2475642038160. Its totient is φ = 660171210168.

The previous prime is 1320342420343. The next prime is 1320342420359. The reversal of 1320342420344 is 4430242430231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1320342420344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320342420343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82521401264 + ... + 82521401279.

It is an arithmetic number, because the mean of its divisors is an integer number (309455254770).

Almost surely, 2^{1320342420344} is an apocalyptic number.

It is an amenable number.

1320342420344 is a deficient number, since it is larger than the sum of its proper divisors (1155299617816).

1320342420344 is a wasteful number, since it uses less digits than its factorization.

1320342420344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165042802549 (or 165042802545 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1320342420344 its reverse (4430242430231), we get a palindrome (5750584850575).

The spelling of 1320342420344 in words is "one trillion, three hundred twenty billion, three hundred forty-two million, four hundred twenty thousand, three hundred forty-four".