20320302103 has 2 divisors, whose sum is σ = 20320302104. Its totient is φ = 20320302102.

The previous prime is 20320302073. The next prime is 20320302143. The reversal of 20320302103 is 30120302302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20320302103 - 2²⁹ = 19783431191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320302143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160151051 + 10160151052.

It is an arithmetic number, because the mean of its divisors is an integer number (10160151052).

Almost surely, 2^20320302103 is an apocalyptic number.

20320302103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320302103 is an equidigital number, since it uses as much as digits as its factorization.

20320302103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20320302103 its reverse (30120302302), we get a palindrome (50440604405).

The spelling of 20320302103 in words is "twenty billion, three hundred twenty million, three hundred two thousand, one hundred three".