20020113103 has 2 divisors, whose sum is σ = 20020113104. Its totient is φ = 20020113102.

The previous prime is 20020113101. The next prime is 20020113107. The reversal of 20020113103 is 30131102002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020113103 - 2¹ = 20020113101 is a prime.

Together with 20020113101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020113101) 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, 10010056551 + 10010056552.

It is an arithmetic number, because the mean of its divisors is an integer number (10010056552).

Almost surely, 2^20020113103 is an apocalyptic number.

20020113103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020113103 is an equidigital number, since it uses as much as digits as its factorization.

20020113103 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 20020113103 its reverse (30131102002), we get a palindrome (50151215105).

The spelling of 20020113103 in words is "twenty billion, twenty million, one hundred thirteen thousand, one hundred three".