20127126341627 has 16 divisors (see below), whose sum is σ = 22433419308960. Its totient is φ = 17945601311232.

The previous prime is 20127126341603. The next prime is 20127126341633. The reversal of 20127126341627 is 72614362172102.

It is a cyclic number.

It is not a de Polignac number, because 20127126341627 - 2¹⁰ = 20127126340603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20127126341677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9423473 + ... + 11360285.

It is an arithmetic number, because the mean of its divisors is an integer number (1402088706810).

Almost surely, 2^{20127126341627} is an apocalyptic number.

20127126341627 is a deficient number, since it is larger than the sum of its proper divisors (2306292967333).

20127126341627 is a wasteful number, since it uses less digits than its factorization.

20127126341627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969022.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 20127126341627 in words is "twenty trillion, one hundred twenty-seven billion, one hundred twenty-six million, three hundred forty-one thousand, six hundred twenty-seven".