20441269 has 2 divisors, whose sum is σ = 20441270. Its totient is φ = 20441268.

The previous prime is 20441261. The next prime is 20441347. The reversal of 20441269 is 96214402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17960644 + 2480625 = 4238^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441269 - 2³ = 20441261 is a prime.

It is a super-2 number, since 2×20441269² = 835690956660722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20441261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220634 + 10220635.

It is an arithmetic number, because the mean of its divisors is an integer number (10220635).

Almost surely, 2^20441269 is an apocalyptic number.

It is an amenable number.

20441269 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441269 is an equidigital number, since it uses as much as digits as its factorization.

20441269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 20441269 is about 4521.2021631420. The cubic root of 20441269 is about 273.4235710717.

The spelling of 20441269 in words is "twenty million, four hundred forty-one thousand, two hundred sixty-nine".