2002022001209 has 16 divisors (see below), whose sum is σ = 2180394182400. Its totient is φ = 1830970116864.

The previous prime is 2002022001167. The next prime is 2002022001211. The reversal of 2002022001209 is 9021002202002.

It is not a de Polignac number, because 2002022001209 - 2¹⁶ = 2002021935673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002022001809) 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, 3365489 + ... + 3915425.

It is an arithmetic number, because the mean of its divisors is an integer number (136274636400).

Almost surely, 2^{2002022001209} is an apocalyptic number.

2002022001209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2002022001209 is a deficient number, since it is larger than the sum of its proper divisors (178372181191).

2002022001209 is a wasteful number, since it uses less digits than its factorization.

2002022001209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556592.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 2002022001209 in words is "two trillion, two billion, twenty-two million, one thousand, two hundred nine".