20440210241 has 12 divisors (see below), whose sum is σ = 23533784784. Its totient is φ = 17604005400.

The previous prime is 20440210237. The next prime is 20440210243. The reversal of 20440210241 is 14201204402.

It is not a de Polignac number, because 20440210241 - 2² = 20440210237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20440210243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2569715 + ... + 2577656.

It is an arithmetic number, because the mean of its divisors is an integer number (1961148732).

Almost surely, 2^20440210241 is an apocalyptic number.

It is an amenable number.

20440210241 is a deficient number, since it is larger than the sum of its proper divisors (3093574543).

20440210241 is a wasteful number, since it uses less digits than its factorization.

20440210241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147420 (or 5147401 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20440210241 its reverse (14201204402), we get a palindrome (34641414643).

The spelling of 20440210241 in words is "twenty billion, four hundred forty million, two hundred ten thousand, two hundred forty-one".