20444324011 has 4 divisors (see below), whose sum is σ = 20448152872. Its totient is φ = 20440495152.

The previous prime is 20444323993. The next prime is 20444324029. The reversal of 20444324011 is 11042344402.

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

It is an interprime number because it is at equal distance from previous prime (20444323993) and next prime (20444324029).

It is a cyclic number.

It is not a de Polignac number, because 20444324011 - 2⁵ = 20444323979 is a prime.

It is a super-2 number, since 2×20444324011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20444324081) 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, 1906410 + ... + 1917103.

It is an arithmetic number, because the mean of its divisors is an integer number (5112038218).

Almost surely, 2^20444324011 is an apocalyptic number.

20444324011 is a deficient number, since it is larger than the sum of its proper divisors (3828861).

20444324011 is an equidigital number, since it uses as much as digits as its factorization.

20444324011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828860.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20444324011 its reverse (11042344402), we get a palindrome (31486668413).

The spelling of 20444324011 in words is "twenty billion, four hundred forty-four million, three hundred twenty-four thousand, eleven".