1320204430043 has 4 divisors (see below), whose sum is σ = 1320215941800. Its totient is φ = 1320192918288.

The previous prime is 1320204430033. The next prime is 1320204430067. The reversal of 1320204430043 is 3400344020231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1320204430043 - 2²⁴ = 1320187652827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320204429994 and 1320204430021.

It is not an unprimeable number, because it can be changed into a prime (1320204430033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582105 + ... + 5813802.

It is an arithmetic number, because the mean of its divisors is an integer number (330053985450).

Almost surely, 2^{1320204430043} is an apocalyptic number.

1320204430043 is a deficient number, since it is larger than the sum of its proper divisors (11511757).

1320204430043 is a wasteful number, since it uses less digits than its factorization.

1320204430043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11511756.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 1320204430043 its reverse (3400344020231), we get a palindrome (4720548450274).

The spelling of 1320204430043 in words is "one trillion, three hundred twenty billion, two hundred four million, four hundred thirty thousand, forty-three".