20106227 has 2 divisors, whose sum is σ = 20106228. Its totient is φ = 20106226.

The previous prime is 20106217. The next prime is 20106253. The reversal of 20106227 is 72260102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20106227 - 2¹⁴ = 20089843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20106199 and 20106208.

It is not a weakly prime, because it can be changed into another prime (20106217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053113 + 10053114.

It is an arithmetic number, because the mean of its divisors is an integer number (10053114).

Almost surely, 2^20106227 is an apocalyptic number.

20106227 is a deficient number, since it is larger than the sum of its proper divisors (1).

20106227 is an equidigital number, since it uses as much as digits as its factorization.

20106227 is an odious number, because the sum of its binary digits is odd.

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

The square root of 20106227 is about 4483.9967662789. The cubic root of 20106227 is about 271.9214873958.

Adding to 20106227 its reverse (72260102), we get a palindrome (92366329).

The spelling of 20106227 in words is "twenty million, one hundred six thousand, two hundred twenty-seven".