20016127 has 4 divisors (see below), whose sum is σ = 20069320. Its totient is φ = 19962936.

The previous prime is 20016121. The next prime is 20016131. The reversal of 20016127 is 72161002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72161002 = 2 ⋅36080501.

It is a cyclic number.

It is not a de Polignac number, because 20016127 - 2¹¹ = 20014079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20016121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26028 + ... + 26785.

It is an arithmetic number, because the mean of its divisors is an integer number (5017330).

Almost surely, 2^20016127 is an apocalyptic number.

20016127 is a deficient number, since it is larger than the sum of its proper divisors (53193).

20016127 is an equidigital number, since it uses as much as digits as its factorization.

20016127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53192.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 20016127 is about 4473.9386450867. The cubic root of 20016127 is about 271.5147010796.

Adding to 20016127 its reverse (72161002), we get a palindrome (92177129).

It can be divided in two parts, 2001 and 6127, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 20016127 in words is "twenty million, sixteen thousand, one hundred twenty-seven".