20133331197227 has 2 divisors, whose sum is σ = 20133331197228. Its totient is φ = 20133331197226.

The previous prime is 20133331197209. The next prime is 20133331197233. The reversal of 20133331197227 is 72279113333102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20133331197227 - 2³² = 20129036229931 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133331197247) 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, 10066665598613 + 10066665598614.

It is an arithmetic number, because the mean of its divisors is an integer number (10066665598614).

Almost surely, 2^{20133331197227} is an apocalyptic number.

20133331197227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133331197227 is an equidigital number, since it uses as much as digits as its factorization.

20133331197227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 20133331197227 in words is "twenty trillion, one hundred thirty-three billion, three hundred thirty-one million, one hundred ninety-seven thousand, two hundred twenty-seven".