20144342527 has 2 divisors, whose sum is σ = 20144342528. Its totient is φ = 20144342526.

The previous prime is 20144342513. The next prime is 20144342539. The reversal of 20144342527 is 72524344102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20144342527 - 2³¹ = 17996858879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20144342492 and 20144342501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20144342227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072171263 + 10072171264.

It is an arithmetic number, because the mean of its divisors is an integer number (10072171264).

Almost surely, 2^20144342527 is an apocalyptic number.

20144342527 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144342527 is an equidigital number, since it uses as much as digits as its factorization.

20144342527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 34.

Adding to 20144342527 its reverse (72524344102), we get a palindrome (92668686629).

The spelling of 20144342527 in words is "twenty billion, one hundred forty-four million, three hundred forty-two thousand, five hundred twenty-seven".