20001233313227 has 2 divisors, whose sum is σ = 20001233313228. Its totient is φ = 20001233313226.

The previous prime is 20001233313223. The next prime is 20001233313263. The reversal of 20001233313227 is 72231333210002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20001233313227 - 2² = 20001233313223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20001233313227.

It is not a weakly prime, because it can be changed into another prime (20001233313223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000616656613 + 10000616656614.

It is an arithmetic number, because the mean of its divisors is an integer number (10000616656614).

Almost surely, 2^{20001233313227} is an apocalyptic number.

20001233313227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001233313227 is an equidigital number, since it uses as much as digits as its factorization.

20001233313227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 20001233313227 its reverse (72231333210002), we get a palindrome (92232566523229).

The spelling of 20001233313227 in words is "twenty trillion, one billion, two hundred thirty-three million, three hundred thirteen thousand, two hundred twenty-seven".