2000002001 has 4 divisors (see below), whose sum is σ = 2033900400. Its totient is φ = 1966103604.

The previous prime is 2000001973. The next prime is 2000002031. The reversal of 2000002001 is 1002000002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000002001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000002031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16949111 + ... + 16949228.

It is an arithmetic number, because the mean of its divisors is an integer number (508475100).

Almost surely, 2^2000002001 is an apocalyptic number.

It is an amenable number.

2000002001 is a deficient number, since it is larger than the sum of its proper divisors (33898399).

2000002001 is an equidigital number, since it uses as much as digits as its factorization.

2000002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33898398.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 2000002001 is about 44721.3819218503. The cubic root of 2000002001 is about 1259.9214700784.

Adding to 2000002001 its reverse (1002000002), we get a palindrome (3002002003).

The spelling of 2000002001 in words is "two billion, two thousand, one".