20016227 has 16 divisors (see below), whose sum is σ = 25104384. Its totient is φ = 15504000.

The previous prime is 20016221. The next prime is 20016229. The reversal of 20016227 is 72261002.

It is a cyclic number.

It is not a de Polignac number, because 20016227 - 2¹⁴ = 19999843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20016199 and 20016208.

It is not an unprimeable number, because it can be changed into a prime (20016221) 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, 14027 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (1569024).

Almost surely, 2^20016227 is an apocalyptic number.

20016227 is a deficient number, since it is larger than the sum of its proper divisors (5088157).

20016227 is a wasteful number, since it uses less digits than its factorization.

20016227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20016227 is about 4473.9498209077. The cubic root of 20016227 is about 271.5151532388.

Adding to 20016227 its reverse (72261002), we get a palindrome (92277229).

It can be divided in two parts, 2001 and 6227, that added together give a palindrome (8228).

The spelling of 20016227 in words is "twenty million, sixteen thousand, two hundred twenty-seven".