20100011003 has 2 divisors, whose sum is σ = 20100011004. Its totient is φ = 20100011002.

The previous prime is 20100010993. The next prime is 20100011021. The reversal of 20100011003 is 30011000102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20100011003 - 2²⁰ = 20098962427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100011803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050005501 + 10050005502.

It is an arithmetic number, because the mean of its divisors is an integer number (10050005502).

Almost surely, 2^20100011003 is an apocalyptic number.

20100011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100011003 is an equidigital number, since it uses as much as digits as its factorization.

20100011003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 20100011003 its reverse (30011000102), we get a palindrome (50111011105).

The spelling of 20100011003 in words is "twenty billion, one hundred million, eleven thousand, three".