2013020003 has 4 divisors (see below), whose sum is σ = 2014904160. Its totient is φ = 2011135848.

The previous prime is 2013019993. The next prime is 2013020027. The reversal of 2013020003 is 3000203102.

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 2013020003 - 2⁸ = 2013019747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013020033) 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, 940475 + ... + 942612.

It is an arithmetic number, because the mean of its divisors is an integer number (503726040).

Almost surely, 2^2013020003 is an apocalyptic number.

2013020003 is a deficient number, since it is larger than the sum of its proper divisors (1884157).

2013020003 is a wasteful number, since it uses less digits than its factorization.

2013020003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884156.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2013020003 is about 44866.6914648272. The cubic root of 2013020003 is about 1262.6491677226.

Adding to 2013020003 its reverse (3000203102), we get a palindrome (5013223105).

The spelling of 2013020003 in words is "two billion, thirteen million, twenty thousand, three".