20043103163 has 2 divisors, whose sum is σ = 20043103164. Its totient is φ = 20043103162.

The previous prime is 20043103099. The next prime is 20043103231. The reversal of 20043103163 is 36130134002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20043103163 - 2⁶ = 20043103099 is a prime.

It is not a weakly prime, because it can be changed into another prime (20043103063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021551581 + 10021551582.

It is an arithmetic number, because the mean of its divisors is an integer number (10021551582).

Almost surely, 2^20043103163 is an apocalyptic number.

20043103163 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043103163 is an equidigital number, since it uses as much as digits as its factorization.

20043103163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20043103163 its reverse (36130134002), we get a palindrome (56173237165).

The spelling of 20043103163 in words is "twenty billion, forty-three million, one hundred three thousand, one hundred sixty-three".