2002000120209 has 48 divisors (see below), whose sum is σ = 3097345538560. Its totient is φ = 1243748183040.

The previous prime is 2002000120207. The next prime is 2002000120229. The reversal of 2002000120209 is 9020210002002.

It is not a de Polignac number, because 2002000120209 - 2¹ = 2002000120207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002000120191 and 2002000120200.

It is not an unprimeable number, because it can be changed into a prime (2002000120207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1662 + ... + 2001000.

Almost surely, 2^{2002000120209} is an apocalyptic number.

It is an amenable number.

2002000120209 is a deficient number, since it is larger than the sum of its proper divisors (1095345418351).

2002000120209 is a wasteful number, since it uses less digits than its factorization.

2002000120209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999510 (or 1999507 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The spelling of 2002000120209 in words is "two trillion, two billion, one hundred twenty thousand, two hundred nine".