20210020221227 has 2 divisors, whose sum is σ = 20210020221228. Its totient is φ = 20210020221226.

The previous prime is 20210020221191. The next prime is 20210020221253. The reversal of 20210020221227 is 72212202001202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210020221227 is a prime.

It is not a weakly prime, because it can be changed into another prime (20210020221427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105010110613 + 10105010110614.

It is an arithmetic number, because the mean of its divisors is an integer number (10105010110614).

Almost surely, 2^{20210020221227} is an apocalyptic number.

20210020221227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210020221227 is an equidigital number, since it uses as much as digits as its factorization.

20210020221227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 20210020221227 its reverse (72212202001202), we get a palindrome (92422222222429).

The spelling of 20210020221227 in words is "twenty trillion, two hundred ten billion, twenty million, two hundred twenty-one thousand, two hundred twenty-seven".