20226253 has 4 divisors (see below), whose sum is σ = 20923740. Its totient is φ = 19528768.

The previous prime is 20226247. The next prime is 20226281. The reversal of 20226253 is 35262202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9715689 + 10510564 = 3117^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 20226253 - 2⁵ = 20226221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226233) 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 3 ways as a sum of consecutive naturals, for example, 348700 + ... + 348757.

It is an arithmetic number, because the mean of its divisors is an integer number (5230935).

Almost surely, 2^20226253 is an apocalyptic number.

It is an amenable number.

20226253 is a deficient number, since it is larger than the sum of its proper divisors (697487).

20226253 is an equidigital number, since it uses as much as digits as its factorization.

20226253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697486.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20226253 is about 4497.3606704377. The cubic root of 20226253 is about 272.4615011683.

Adding to 20226253 its reverse (35262202), we get a palindrome (55488455).

The spelling of 20226253 in words is "twenty million, two hundred twenty-six thousand, two hundred fifty-three".