20443324011 has 24 divisors (see below), whose sum is σ = 30383039232. Its totient is φ = 12215372400.

The previous prime is 20443324009. The next prime is 20443324073. The reversal of 20443324011 is 11042334402.

It is not a de Polignac number, because 20443324011 - 2¹ = 20443324009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20443324081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370831 + ... + 422376.

It is an arithmetic number, because the mean of its divisors is an integer number (1265959968).

Almost surely, 2^20443324011 is an apocalyptic number.

20443324011 is a deficient number, since it is larger than the sum of its proper divisors (9939715221).

20443324011 is a wasteful number, since it uses less digits than its factorization.

20443324011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793303 (or 793292 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20443324011 its reverse (11042334402), we get a palindrome (31485658413).

The spelling of 20443324011 in words is "twenty billion, four hundred forty-three million, three hundred twenty-four thousand, eleven".