20116227 has 16 divisors (see below), whose sum is σ = 28224000. Its totient is φ = 12725664.

The previous prime is 20116211. The next prime is 20116249. The reversal of 20116227 is 72261102.

It is not a de Polignac number, because 20116227 - 2⁴ = 20116211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20116127) 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, 3174 + ... + 7092.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 2^20116227 is an apocalyptic number.

20116227 is a deficient number, since it is larger than the sum of its proper divisors (8107773).

20116227 is a wasteful number, since it uses less digits than its factorization.

20116227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20116227 is about 4485.1117042946. Note that the first 3 decimals coincide. The cubic root of 20116227 is about 271.9665607320.

Adding to 20116227 its reverse (72261102), we get a palindrome (92377329).

The spelling of 20116227 in words is "twenty million, one hundred sixteen thousand, two hundred twenty-seven".