20636220375307 has 2 divisors, whose sum is σ = 20636220375308. Its totient is φ = 20636220375306.

The previous prime is 20636220375289. The next prime is 20636220375403. The reversal of 20636220375307 is 70357302263602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20636220375307 - 2¹¹ = 20636220373259 is a prime.

It is not a weakly prime, because it can be changed into another prime (20636220375107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10318110187653 + 10318110187654.

It is an arithmetic number, because the mean of its divisors is an integer number (10318110187654).

Almost surely, 2^{20636220375307} is an apocalyptic number.

20636220375307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20636220375307 is an equidigital number, since it uses as much as digits as its factorization.

20636220375307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 46.

The spelling of 20636220375307 in words is "twenty trillion, six hundred thirty-six billion, two hundred twenty million, three hundred seventy-five thousand, three hundred seven".