20266059 has 16 divisors (see below), whose sum is σ = 30760704. Its totient is φ = 11748000.

The previous prime is 20266039. The next prime is 20266063. The reversal of 20266059 is 95066202.

It is not a de Polignac number, because 20266059 - 2²⁰ = 19217483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20266039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12592 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (1922544).

Almost surely, 2^20266059 is an apocalyptic number.

20266059 is a deficient number, since it is larger than the sum of its proper divisors (10494645).

20266059 is a wasteful number, since it uses less digits than its factorization.

20266059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26738.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 20266059 is about 4501.7839797129. The cubic root of 20266059 is about 272.6401220831.

The spelling of 20266059 in words is "twenty million, two hundred sixty-six thousand, fifty-nine".