20056943159 has 8 divisors (see below), whose sum is σ = 21882868752. Its totient is φ = 18231445440.

The previous prime is 20056943143. The next prime is 20056943171. The reversal of 20056943159 is 95134965002.

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 20056943159 - 2⁴ = 20056943143 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 (20056943119) 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, 4694 + ... + 200339.

It is an arithmetic number, because the mean of its divisors is an integer number (2735358594).

Almost surely, 2^20056943159 is an apocalyptic number.

20056943159 is a deficient number, since it is larger than the sum of its proper divisors (1825925593).

20056943159 is a wasteful number, since it uses less digits than its factorization.

20056943159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213937.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 20056943159 in words is "twenty billion, fifty-six million, nine hundred forty-three thousand, one hundred fifty-nine".