20227207 has 32 divisors (see below), whose sum is σ = 27546624. Its totient is φ = 14461920.

The previous prime is 20227133. The next prime is 20227217. The reversal of 20227207 is 70272202.

It is not a de Polignac number, because 20227207 - 2¹¹ = 20225159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20227217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121038 + ... + 121204.

It is an arithmetic number, because the mean of its divisors is an integer number (860832).

Almost surely, 2^20227207 is an apocalyptic number.

20227207 is a deficient number, since it is larger than the sum of its proper divisors (7319417).

20227207 is a wasteful number, since it uses less digits than its factorization.

20227207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 20227207 is about 4497.4667313945. The cubic root of 20227207 is about 272.4657847791.

Adding to 20227207 its reverse (70272202), we get a palindrome (90499409).

It can be divided in two parts, 2022 and 7207, that added together give a palindrome (9229).

The spelling of 20227207 in words is "twenty million, two hundred twenty-seven thousand, two hundred seven".