1320320403342 has 24 divisors (see below), whose sum is σ = 2896905529440. Its totient is φ = 434535828480.

The previous prime is 1320320403331. The next prime is 1320320403361. The reversal of 1320320403342 is 2433040230231.

1320320403342 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 320 + 4 + 0 + 334 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464246259 + ... + 464249102.

It is an arithmetic number, because the mean of its divisors is an integer number (120704397060).

Almost surely, 2^{1320320403342} is an apocalyptic number.

1320320403342 is an abundant number, since it is smaller than the sum of its proper divisors (1576585126098).

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

1320320403342 is a wasteful number, since it uses less digits than its factorization.

1320320403342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928495448 (or 928495445 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 1320320403342 its reverse (2433040230231), we get a palindrome (3753360633573).

The spelling of 1320320403342 in words is "one trillion, three hundred twenty billion, three hundred twenty million, four hundred three thousand, three hundred forty-two".