20206191743 has 8 divisors (see below), whose sum is σ = 20239027536. Its totient is φ = 20173377600.

The previous prime is 20206191683. The next prime is 20206191751. The reversal of 20206191743 is 34719160202.

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 20206191743 - 2²⁶ = 20139082879 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 (20206191443) 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, 3579203 + ... + 3584843.

It is an arithmetic number, because the mean of its divisors is an integer number (2529878442).

Almost surely, 2^20206191743 is an apocalyptic number.

20206191743 is a deficient number, since it is larger than the sum of its proper divisors (32835793).

20206191743 is an equidigital number, since it uses as much as digits as its factorization.

20206191743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 20206191743 in words is "twenty billion, two hundred six million, one hundred ninety-one thousand, seven hundred forty-three".