20102002003 has 2 divisors, whose sum is σ = 20102002004. Its totient is φ = 20102002002.

The previous prime is 20102001989. The next prime is 20102002079. The reversal of 20102002003 is 30020020102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102002003 is a prime.

It is not a weakly prime, because it can be changed into another prime (20102012003) 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 as a sum of consecutive naturals, namely, 10051001001 + 10051001002.

It is an arithmetic number, because the mean of its divisors is an integer number (10051001002).

Almost surely, 2^20102002003 is an apocalyptic number.

20102002003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102002003 is an equidigital number, since it uses as much as digits as its factorization.

20102002003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20102002003 its reverse (30020020102), we get a palindrome (50122022105).

The spelling of 20102002003 in words is "twenty billion, one hundred two million, two thousand, three".