2003102020003 has 4 divisors (see below), whose sum is σ = 2289259451440. Its totient is φ = 1716944588568.

The previous prime is 2003102019931. The next prime is 2003102020039. The reversal of 2003102020003 is 3000202013002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2003102020003 - 2⁹ = 2003102019491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003102020093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143078715708 + ... + 143078715721.

It is an arithmetic number, because the mean of its divisors is an integer number (572314862860).

Almost surely, 2^{2003102020003} is an apocalyptic number.

2003102020003 is a deficient number, since it is larger than the sum of its proper divisors (286157431437).

2003102020003 is an equidigital number, since it uses as much as digits as its factorization.

2003102020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286157431436.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 2003102020003 its reverse (3000202013002), we get a palindrome (5003304033005).

The spelling of 2003102020003 in words is "two trillion, three billion, one hundred two million, twenty thousand, three".