20736743750143 has 24 divisors (see below), whose sum is σ = 22165534536000. Its totient is φ = 19394116125696.

The previous prime is 20736743750117. The next prime is 20736743750153. The reversal of 20736743750143 is 34105734763702.

It is not a de Polignac number, because 20736743750143 - 2⁵ = 20736743750111 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 (20736743750153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238175683 + ... + 238262731.

It is an arithmetic number, because the mean of its divisors is an integer number (923563939000).

Almost surely, 2^{20736743750143} is an apocalyptic number.

20736743750143 is a deficient number, since it is larger than the sum of its proper divisors (1428790785857).

20736743750143 is an equidigital number, since it uses as much as digits as its factorization.

20736743750143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95519 (or 95500 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 52.

The spelling of 20736743750143 in words is "twenty trillion, seven hundred thirty-six billion, seven hundred forty-three million, seven hundred fifty thousand, one hundred forty-three".