20017127 has 8 divisors (see below), whose sum is σ = 22691760. Its totient is φ = 17504640.

The previous prime is 20017117. The next prime is 20017133. The reversal of 20017127 is 72171002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20017127 - 2¹⁰ = 20016103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20017099 and 20017108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20017117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40274 + ... + 40767.

It is an arithmetic number, because the mean of its divisors is an integer number (2836470).

Almost surely, 2^20017127 is an apocalyptic number.

20017127 is a deficient number, since it is larger than the sum of its proper divisors (2674633).

20017127 is a wasteful number, since it uses less digits than its factorization.

20017127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81073.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 20017127 is about 4474.0504020406. The cubic root of 20017127 is about 271.5192226033.

Adding to 20017127 its reverse (72171002), we get a palindrome (92188129).

The spelling of 20017127 in words is "twenty million, seventeen thousand, one hundred twenty-seven".