20304443241 has 6 divisors (see below), whose sum is σ = 29328640250. Its totient is φ = 13536295488.

The previous prime is 20304443227. The next prime is 20304443261. The reversal of 20304443241 is 14234440302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17103146841 + 3201296400 = 130779^2 + 56580^2 .

It is not a de Polignac number, because 20304443241 - 2¹³ = 20304435049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20304443261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128024616 + ... + 1128024633.

Almost surely, 2^20304443241 is an apocalyptic number.

It is an amenable number.

20304443241 is a deficient number, since it is larger than the sum of its proper divisors (9024197009).

20304443241 is a wasteful number, since it uses less digits than its factorization.

20304443241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256049255 (or 2256049252 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20304443241 its reverse (14234440302), we get a palindrome (34538883543).

The spelling of 20304443241 in words is "twenty billion, three hundred four million, four hundred forty-three thousand, two hundred forty-one".