2002320201209 has 2 divisors, whose sum is σ = 2002320201210. Its totient is φ = 2002320201208.

The previous prime is 2002320201169. The next prime is 2002320201319. The reversal of 2002320201209 is 9021020232002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1190438109184 + 811882092025 = 1091072^2 + 901045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002320201209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002320209209) by changing a digit.

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 as a sum of consecutive naturals, namely, 1001160100604 + 1001160100605.

It is an arithmetic number, because the mean of its divisors is an integer number (1001160100605).

Almost surely, 2^{2002320201209} is an apocalyptic number.

It is an amenable number.

2002320201209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002320201209 is an equidigital number, since it uses as much as digits as its factorization.

2002320201209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 2002320201209 in words is "two trillion, two billion, three hundred twenty million, two hundred one thousand, two hundred nine".