20244441 has 8 divisors (see below), whose sum is σ = 30848704. Its totient is φ = 11568240.

The previous prime is 20244431. The next prime is 20244449. The reversal of 20244441 is 14444202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20244441 - 2⁵ = 20244409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 964021 = 20244441 / (2 + 0 + 2 + 4 + 4 + 4 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481990 + ... + 482031.

It is an arithmetic number, because the mean of its divisors is an integer number (3856088).

Almost surely, 2^20244441 is an apocalyptic number.

20244441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20244441 is a deficient number, since it is larger than the sum of its proper divisors (10604263).

20244441 is an equidigital number, since it uses as much as digits as its factorization.

20244441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964031.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 20244441 is about 4499.3822909373. The cubic root of 20244441 is about 272.5431449795.

Adding to 20244441 its reverse (14444202), we get a palindrome (34688643).

The spelling of 20244441 in words is "twenty million, two hundred forty-four thousand, four hundred forty-one".