20559887341227 has 24 divisors (see below), whose sum is σ = 32011964894000. Its totient is φ = 12640402703808.

The previous prime is 20559887341157. The next prime is 20559887341249. The reversal of 20559887341227 is 72214378895502.

20559887341227 is a `hidden beast` number, since 2 + 0 + 5 + 59 + 88 + 73 + 412 + 27 = 666.

It is not a de Polignac number, because 20559887341227 - 2⁷ = 20559887341099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20559887341277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82066477 + ... + 82316622.

Almost surely, 2^{20559887341227} is an apocalyptic number.

20559887341227 is a deficient number, since it is larger than the sum of its proper divisors (11452077552773).

20559887341227 is a wasteful number, since it uses less digits than its factorization.

20559887341227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164384187 (or 164384184 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 20559887341227 in words is "twenty trillion, five hundred fifty-nine billion, eight hundred eighty-seven million, three hundred forty-one thousand, two hundred twenty-seven".