20147026662127 has 2 divisors, whose sum is σ = 20147026662128. Its totient is φ = 20147026662126.

The previous prime is 20147026662083. The next prime is 20147026662131. The reversal of 20147026662127 is 72126662074102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20147026662127 - 2⁷ = 20147026661999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20147026662197) 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, 10073513331063 + 10073513331064.

It is an arithmetic number, because the mean of its divisors is an integer number (10073513331064).

Almost surely, 2^{20147026662127} is an apocalyptic number.

20147026662127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20147026662127 is an equidigital number, since it uses as much as digits as its factorization.

20147026662127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 20147026662127 in words is "twenty trillion, one hundred forty-seven billion, twenty-six million, six hundred sixty-two thousand, one hundred twenty-seven".