1320202340209 has 16 divisors (see below), whose sum is σ = 1345828147200. Its totient is φ = 1294688290896.

The previous prime is 1320202340203. The next prime is 1320202340221. The reversal of 1320202340209 is 9020432020231.

It is a cyclic number.

It is not a de Polignac number, because 1320202340209 - 2⁹ = 1320202339697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320202340203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47572992 + ... + 47600734.

It is an arithmetic number, because the mean of its divisors is an integer number (84114259200).

Almost surely, 2^{1320202340209} is an apocalyptic number.

It is an amenable number.

1320202340209 is a deficient number, since it is larger than the sum of its proper divisors (25625806991).

1320202340209 is a wasteful number, since it uses less digits than its factorization.

1320202340209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29724.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 1320202340209 in words is "one trillion, three hundred twenty billion, two hundred two million, three hundred forty thousand, two hundred nine".