20113441441 has 8 divisors (see below), whose sum is σ = 20297180160. Its totient is φ = 19929803712.

The previous prime is 20113441399. The next prime is 20113441457. The reversal of 20113441441 is 14414431102.

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

It is a cyclic number.

It is not a de Polignac number, because 20113441441 - 2¹⁵ = 20113408673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20113441471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408720 + ... + 455278.

It is an arithmetic number, because the mean of its divisors is an integer number (2537147520).

Almost surely, 2^20113441441 is an apocalyptic number.

It is an amenable number.

20113441441 is a deficient number, since it is larger than the sum of its proper divisors (183738719).

20113441441 is a wasteful number, since it uses less digits than its factorization.

20113441441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50495.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 20113441441 its reverse (14414431102), we get a palindrome (34527872543).

The spelling of 20113441441 in words is "twenty billion, one hundred thirteen million, four hundred forty-one thousand, four hundred forty-one".