20002044003 has 16 divisors (see below), whose sum is σ = 26760669600. Its totient is φ = 13289101056.

The previous prime is 20002043993. The next prime is 20002044011. The reversal of 20002044003 is 30044020002.

It is a happy number.

It is not a de Polignac number, because 20002044003 - 2³³ = 11412109411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002044043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2400801 + ... + 2409117.

It is an arithmetic number, because the mean of its divisors is an integer number (1672541850).

Almost surely, 2^20002044003 is an apocalyptic number.

20002044003 is a deficient number, since it is larger than the sum of its proper divisors (6758625597).

20002044003 is a wasteful number, since it uses less digits than its factorization.

20002044003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20002044003 its reverse (30044020002), we get a palindrome (50046064005).

The spelling of 20002044003 in words is "twenty billion, two million, forty-four thousand, three".