20272726159 has 4 divisors (see below), whose sum is σ = 23168829904. Its totient is φ = 17376622416.

The previous prime is 20272726141. The next prime is 20272726163. The reversal of 20272726159 is 95162727202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20272726159 - 2¹³ = 20272717967 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 (20272727159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448051862 + ... + 1448051875.

It is an arithmetic number, because the mean of its divisors is an integer number (5792207476).

Almost surely, 2^20272726159 is an apocalyptic number.

20272726159 is a deficient number, since it is larger than the sum of its proper divisors (2896103745).

20272726159 is an equidigital number, since it uses as much as digits as its factorization.

20272726159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896103744.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 20272726159 in words is "twenty billion, two hundred seventy-two million, seven hundred twenty-six thousand, one hundred fifty-nine".