20441103211 has 4 divisors (see below), whose sum is σ = 20450928024. Its totient is φ = 20431278400.

The previous prime is 20441103209. The next prime is 20441103257. The reversal of 20441103211 is 11230114402.

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 20441103211 - 2¹ = 20441103209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20441103271) 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, 4909285 + ... + 4913446.

It is an arithmetic number, because the mean of its divisors is an integer number (5112732006).

Almost surely, 2^20441103211 is an apocalyptic number.

20441103211 is a deficient number, since it is larger than the sum of its proper divisors (9824813).

20441103211 is an equidigital number, since it uses as much as digits as its factorization.

20441103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9824812.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20441103211 its reverse (11230114402), we get a palindrome (31671217613).

The spelling of 20441103211 in words is "twenty billion, four hundred forty-one million, one hundred three thousand, two hundred eleven".