20201020122203 has 2 divisors, whose sum is σ = 20201020122204. Its totient is φ = 20201020122202.

The previous prime is 20201020122193. The next prime is 20201020122221. The reversal of 20201020122203 is 30222102010202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201020122203 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201020122223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100510061101 + 10100510061102.

It is an arithmetic number, because the mean of its divisors is an integer number (10100510061102).

Almost surely, 2^{20201020122203} is an apocalyptic number.

20201020122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201020122203 is an equidigital number, since it uses as much as digits as its factorization.

20201020122203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20201020122203 its reverse (30222102010202), we get a palindrome (50423122132405).

The spelling of 20201020122203 in words is "twenty trillion, two hundred one billion, twenty million, one hundred twenty-two thousand, two hundred three".