2002002003 has 6 divisors (see below), whose sum is σ = 2891780684. Its totient is φ = 1334667996.

The previous prime is 2002002001. The next prime is 2002002007. The reversal of 2002002003 is 3002002002.

It is not a de Polignac number, because 2002002003 - 2¹ = 2002002001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 222444667 = 2002002003 / (2 + 0 + 0 + 2 + 0 + 0 + 2 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002002001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111222325 + ... + 111222342.

Almost surely, 2^2002002003 is an apocalyptic number.

2002002003 is a deficient number, since it is larger than the sum of its proper divisors (889778681).

2002002003 is a wasteful number, since it uses less digits than its factorization.

2002002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222444673 (or 222444670 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 2002002003 is about 44743.7370254207. The cubic root of 2002002003 is about 1260.3413039880.

Adding to 2002002003 its reverse (3002002002), we get a palindrome (5004004005).

Subtracting 2002002003 from its reverse (3002002002), we obtain a palindrome (999999999).

The spelling of 2002002003 in words is "two billion, two million, two thousand, three".