20061517343227 has 2 divisors, whose sum is σ = 20061517343228. Its totient is φ = 20061517343226.

The previous prime is 20061517343221. The next prime is 20061517343249. The reversal of 20061517343227 is 72234371516002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20061517343227 is a prime.

It is a super-2 number, since 2×20061517343227² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20061517343221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030758671613 + 10030758671614.

It is an arithmetic number, because the mean of its divisors is an integer number (10030758671614).

Almost surely, 2^{20061517343227} is an apocalyptic number.

20061517343227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20061517343227 is an equidigital number, since it uses as much as digits as its factorization.

20061517343227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

Adding to 20061517343227 its reverse (72234371516002), we get a palindrome (92295888859229).

The spelling of 20061517343227 in words is "twenty trillion, sixty-one billion, five hundred seventeen million, three hundred forty-three thousand, two hundred twenty-seven".