20590727617127 has 2 divisors, whose sum is σ = 20590727617128. Its totient is φ = 20590727617126.

The previous prime is 20590727617049. The next prime is 20590727617129. The reversal of 20590727617127 is 72171672709502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20590727617127 - 2¹⁰ = 20590727616103 is a prime.

Together with 20590727617129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20590727617129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10295363808563 + 10295363808564.

It is an arithmetic number, because the mean of its divisors is an integer number (10295363808564).

Almost surely, 2^{20590727617127} is an apocalyptic number.

20590727617127 is a deficient number, since it is larger than the sum of its proper divisors (1).

20590727617127 is an equidigital number, since it uses as much as digits as its factorization.

20590727617127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5186160, while the sum is 56.

The spelling of 20590727617127 in words is "twenty trillion, five hundred ninety billion, seven hundred twenty-seven million, six hundred seventeen thousand, one hundred twenty-seven".