1320234204434 has 32 divisors (see below), whose sum is σ = 2013113862144. Its totient is φ = 649270112400.

The previous prime is 1320234204431. The next prime is 1320234204449. The reversal of 1320234204434 is 4344024320231.

It is a self number, because there is not a number n which added to its sum of digits gives 1320234204434.

It is not an unprimeable number, because it can be changed into a prime (1320234204431) 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 15 ways as a sum of consecutive naturals, for example, 75213959 + ... + 75231509.

It is an arithmetic number, because the mean of its divisors is an integer number (62909808192).

Almost surely, 2^{1320234204434} is an apocalyptic number.

1320234204434 is a deficient number, since it is larger than the sum of its proper divisors (692879657710).

1320234204434 is a wasteful number, since it uses less digits than its factorization.

1320234204434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19622.

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

Adding to 1320234204434 its reverse (4344024320231), we get a palindrome (5664258524665).

The spelling of 1320234204434 in words is "one trillion, three hundred twenty billion, two hundred thirty-four million, two hundred four thousand, four hundred thirty-four".