20226207 has 12 divisors (see below), whose sum is σ = 27258504. Its totient is φ = 13340160.

The previous prime is 20226191. The next prime is 20226221. The reversal of 20226207 is 70262202.

It is not a de Polignac number, because 20226207 - 2⁴ = 20226191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104703 + ... + 104895.

It is an arithmetic number, because the mean of its divisors is an integer number (2271542).

Almost surely, 2^20226207 is an apocalyptic number.

20226207 is a deficient number, since it is larger than the sum of its proper divisors (7032297).

20226207 is an equidigital number, since it uses as much as digits as its factorization.

20226207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20226207 is about 4497.3555563242. The cubic root of 20226207 is about 272.4612946177.

Adding to 20226207 its reverse (70262202), we get a palindrome (90488409).

The spelling of 20226207 in words is "twenty million, two hundred twenty-six thousand, two hundred seven".