20143110163 has 4 divisors (see below), whose sum is σ = 21974302008. Its totient is φ = 18311918320.

The previous prime is 20143110151. The next prime is 20143110187. The reversal of 20143110163 is 36101134102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20143110163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20143170163) 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 in 3 ways as a sum of consecutive naturals, for example, 915595906 + ... + 915595927.

It is an arithmetic number, because the mean of its divisors is an integer number (5493575502).

Almost surely, 2^20143110163 is an apocalyptic number.

20143110163 is a deficient number, since it is larger than the sum of its proper divisors (1831191845).

20143110163 is a wasteful number, since it uses less digits than its factorization.

20143110163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831191844.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20143110163 its reverse (36101134102), we get a palindrome (56244244265).

The spelling of 20143110163 in words is "twenty billion, one hundred forty-three million, one hundred ten thousand, one hundred sixty-three".