1320204104442 has 96 divisors (see below), whose sum is σ = 2994896661120. Its totient is φ = 419514163200.

The previous prime is 1320204104413. The next prime is 1320204104533. The reversal of 1320204104442 is 2444014020231.

1320204104442 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 204 + 10 + 4 + 442 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208329498 + ... + 208335834.

It is an arithmetic number, because the mean of its divisors is an integer number (31196840220).

Almost surely, 2^{1320204104442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320204104442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497448330560).

1320204104442 is an abundant number, since it is smaller than the sum of its proper divisors (1674692556678).

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

1320204104442 is a wasteful number, since it uses less digits than its factorization.

1320204104442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988 (or 7985 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1320204104442 its reverse (2444014020231), we get a palindrome (3764218124673).

The spelling of 1320204104442 in words is "one trillion, three hundred twenty billion, two hundred four million, one hundred four thousand, four hundred forty-two".