20011203103 has 2 divisors, whose sum is σ = 20011203104. Its totient is φ = 20011203102.

The previous prime is 20011203097. The next prime is 20011203119. The reversal of 20011203103 is 30130211002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20011203103 - 2²⁹ = 19474332191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20011203133) 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, 10005601551 + 10005601552.

It is an arithmetic number, because the mean of its divisors is an integer number (10005601552).

Almost surely, 2^20011203103 is an apocalyptic number.

20011203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20011203103 is an equidigital number, since it uses as much as digits as its factorization.

20011203103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20011203103 its reverse (30130211002), we get a palindrome (50141414105).

The spelling of 20011203103 in words is "twenty billion, eleven million, two hundred three thousand, one hundred three".