20113142143 has 8 divisors (see below), whose sum is σ = 21005426016. Its totient is φ = 19222341600.

The previous prime is 20113142083. The next prime is 20113142191. The reversal of 20113142143 is 34124131102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20113142143 - 2²⁵ = 20079587711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113142843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343068 + ... + 397393.

It is an arithmetic number, because the mean of its divisors is an integer number (2625678252).

Almost surely, 2^20113142143 is an apocalyptic number.

20113142143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20113142143 is a deficient number, since it is larger than the sum of its proper divisors (892283873).

20113142143 is a wasteful number, since it uses less digits than its factorization.

20113142143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741665.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20113142143 its reverse (34124131102), we get a palindrome (54237273245).

The spelling of 20113142143 in words is "twenty billion, one hundred thirteen million, one hundred forty-two thousand, one hundred forty-three".