20001103193 has 2 divisors, whose sum is σ = 20001103194. Its totient is φ = 20001103192.

The previous prime is 20001103097. The next prime is 20001103247. The reversal of 20001103193 is 39130110002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14350123264 + 5650979929 = 119792^2 + 75173^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20001103193 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001103093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000551596 + 10000551597.

It is an arithmetic number, because the mean of its divisors is an integer number (10000551597).

Almost surely, 2^20001103193 is an apocalyptic number.

It is an amenable number.

20001103193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001103193 is an equidigital number, since it uses as much as digits as its factorization.

20001103193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 20001103193 its reverse (39130110002), we get a palindrome (59131213195).

The spelling of 20001103193 in words is "twenty billion, one million, one hundred three thousand, one hundred ninety-three".