2003020211 has 4 divisors (see below), whose sum is σ = 2015014512. Its totient is φ = 1991025912.

The previous prime is 2003020193. The next prime is 2003020213. The reversal of 2003020211 is 1120203002.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003020211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2003020192 and 2003020201.

It is not an unprimeable number, because it can be changed into a prime (2003020213) 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, 5996900 + ... + 5997233.

It is an arithmetic number, because the mean of its divisors is an integer number (503753628).

Almost surely, 2^2003020211 is an apocalyptic number.

2003020211 is a deficient number, since it is larger than the sum of its proper divisors (11994301).

2003020211 is a wasteful number, since it uses less digits than its factorization.

2003020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994300.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2003020211 is about 44755.1137971964. The cubic root of 2003020211 is about 1260.5549354928.

Adding to 2003020211 its reverse (1120203002), we get a palindrome (3123223213).

The spelling of 2003020211 in words is "two billion, three million, twenty thousand, two hundred eleven".