20144342227 has 2 divisors, whose sum is σ = 20144342228. Its totient is φ = 20144342226.

The previous prime is 20144342201. The next prime is 20144342243. The reversal of 20144342227 is 72224344102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20144342227 is a prime.

It is not a weakly prime, because it can be changed into another prime (20144342527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072171113 + 10072171114.

It is an arithmetic number, because the mean of its divisors is an integer number (10072171114).

Almost surely, 2^20144342227 is an apocalyptic number.

20144342227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144342227 is an equidigital number, since it uses as much as digits as its factorization.

20144342227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 20144342227 its reverse (72224344102), we get a palindrome (92368686329).

The spelling of 20144342227 in words is "twenty billion, one hundred forty-four million, three hundred forty-two thousand, two hundred twenty-seven".