20242441 has 4 divisors (see below), whose sum is σ = 20789572. Its totient is φ = 19695312.

The previous prime is 20242433. The next prime is 20242447. The reversal of 20242441 is 14424202.

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 15832441 + 4410000 = 3979^2 + 2100^2 .

It is a cyclic number.

It is not a de Polignac number, because 20242441 - 2³ = 20242433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20242447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273510 + ... + 273583.

It is an arithmetic number, because the mean of its divisors is an integer number (5197393).

Almost surely, 2^20242441 is an apocalyptic number.

It is an amenable number.

20242441 is a deficient number, since it is larger than the sum of its proper divisors (547131).

20242441 is an equidigital number, since it uses as much as digits as its factorization.

20242441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547130.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 20242441 is about 4499.1600327172. The cubic root of 20242441 is about 272.5341696063.

Adding to 20242441 its reverse (14424202), we get a palindrome (34666643).

It can be divided in two parts, 2024 and 2441, that added together give a triangular number (4465 = T₉₄).

The spelling of 20242441 in words is "twenty million, two hundred forty-two thousand, four hundred forty-one".