20116717043103 has 16 divisors (see below), whose sum is σ = 30608017924960. Its totient is φ = 13048681324608.

The previous prime is 20116717043081. The next prime is 20116717043167. The reversal of 20116717043103 is 30134071761102.

It is a happy number.

20116717043103 is a `hidden beast` number, since 201 + 1 + 6 + 7 + 17 + 0 + 431 + 0 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-20116717043103 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 (20116717043183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10068425950 + ... + 10068427947.

It is an arithmetic number, because the mean of its divisors is an integer number (1913001120310).

Almost surely, 2^{20116717043103} is an apocalyptic number.

20116717043103 is a deficient number, since it is larger than the sum of its proper divisors (10491300881857).

20116717043103 is a wasteful number, since it uses less digits than its factorization.

20116717043103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136853943 (or 20136853937 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 20116717043103 in words is "twenty trillion, one hundred sixteen billion, seven hundred seventeen million, forty-three thousand, one hundred three".