20201113143 has 6 divisors (see below), whose sum is σ = 29179385664. Its totient is φ = 13467408756.

The previous prime is 20201113133. The next prime is 20201113151. The reversal of 20201113143 is 34131110202.

It is a de Polignac number, because none of the positive numbers 2^k-20201113143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201113123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122284055 + ... + 1122284072.

It is an arithmetic number, because the mean of its divisors is an integer number (4863230944).

Almost surely, 2^20201113143 is an apocalyptic number.

20201113143 is a deficient number, since it is larger than the sum of its proper divisors (8978272521).

20201113143 is a wasteful number, since it uses less digits than its factorization.

20201113143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244568133 (or 2244568130 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20201113143 its reverse (34131110202), we get a palindrome (54332223345).

The spelling of 20201113143 in words is "twenty billion, two hundred one million, one hundred thirteen thousand, one hundred forty-three".