20441440115 has 4 divisors (see below), whose sum is σ = 24529728144. Its totient is φ = 16353152088.

The previous prime is 20441440109. The next prime is 20441440139. The reversal of 20441440115 is 51104414402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20441440115 - 2⁴ = 20441440099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2044144007 + ... + 2044144016.

It is an arithmetic number, because the mean of its divisors is an integer number (6132432036).

Almost surely, 2^20441440115 is an apocalyptic number.

20441440115 is a deficient number, since it is larger than the sum of its proper divisors (4088288029).

20441440115 is an equidigital number, since it uses as much as digits as its factorization.

20441440115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088288028.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 20441440115 its reverse (51104414402), we get a palindrome (71545854517).

The spelling of 20441440115 in words is "twenty billion, four hundred forty-one million, four hundred forty thousand, one hundred fifteen".