20441324441 has 4 divisors (see below), whose sum is σ = 20451814500. Its totient is φ = 20430834384.

The previous prime is 20441324437. The next prime is 20441324461. The reversal of 20441324441 is 14442314402.

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 11860081216 + 8581243225 = 108904^2 + 92635^2 .

It is a cyclic number.

It is not a de Polignac number, because 20441324441 - 2² = 20441324437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20441324461) 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, 5242106 + ... + 5246003.

It is an arithmetic number, because the mean of its divisors is an integer number (5112953625).

Almost surely, 2^20441324441 is an apocalyptic number.

It is an amenable number.

20441324441 is a deficient number, since it is larger than the sum of its proper divisors (10490059).

20441324441 is a wasteful number, since it uses less digits than its factorization.

20441324441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490058.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 20441324441 its reverse (14442314402), we get a palindrome (34883638843).

The spelling of 20441324441 in words is "twenty billion, four hundred forty-one million, three hundred twenty-four thousand, four hundred forty-one".