2000003000001 has 16 divisors (see below), whose sum is σ = 2693349386688. Its totient is φ = 1319998680000.

The previous prime is 2000002999909. The next prime is 2000003000003. The reversal of 2000003000001 is 1000003000002.

2000003000001 is a nontrivial binomial coefficient, being equal to C(2000002, 2).

It is not a de Polignac number, because 2000003000001 - 2¹⁰ = 2000002998977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2000003000003) 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 in 15 ways as a sum of consecutive naturals, for example, 2666670 + ... + 3333336.

It is an arithmetic number, because the mean of its divisors is an integer number (168334336668).

Almost surely, 2^{2000003000001} is an apocalyptic number.

2000003000001 is the 2000001-st triangular number and also the 1000001-st hexagonal number.

It is an amenable number.

2000003000001 is a deficient number, since it is larger than the sum of its proper divisors (693346386687).

2000003000001 is a wasteful number, since it uses less digits than its factorization.

2000003000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676672.

The product of its (nonzero) digits is 6, while the sum is 6.

Adding to 2000003000001 its reverse (1000003000002), we get a palindrome (3000006000003).

Subtracting from 2000003000001 its reverse (1000003000002), we obtain a palindrome (999999999999).

The spelling of 2000003000001 in words is "two trillion, three million, one", and thus it is an aban number and an uban number.