20116103 has 4 divisors (see below), whose sum is σ = 22989840. Its totient is φ = 17242368.

The previous prime is 20116093. The next prime is 20116127. The reversal of 20116103 is 30161102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20116103 - 2⁴ = 20116087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436858 + ... + 1436871.

It is an arithmetic number, because the mean of its divisors is an integer number (5747460).

Almost surely, 2^20116103 is an apocalyptic number.

20116103 is a deficient number, since it is larger than the sum of its proper divisors (2873737).

20116103 is an equidigital number, since it uses as much as digits as its factorization.

20116103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873736.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 20116103 is about 4485.0978807602. The cubic root of 20116103 is about 271.9660019142.

Adding to 20116103 its reverse (30161102), we get a palindrome (50277205).

The spelling of 20116103 in words is "twenty million, one hundred sixteen thousand, one hundred three".