20444211330 has 32 divisors (see below), whose sum is σ = 49172574528. Its totient is φ = 5439960000.

The previous prime is 20444211313. The next prime is 20444211343. The reversal of 20444211330 is 3311244402.

It is a self number, because there is not a number n which added to its sum of digits gives 20444211330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725296 + ... + 752955.

It is an arithmetic number, because the mean of its divisors is an integer number (1536642954).

Almost surely, 2^20444211330 is an apocalyptic number.

20444211330 is an abundant number, since it is smaller than the sum of its proper divisors (28728363198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444211330 is a wasteful number, since it uses less digits than its factorization.

20444211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478722.

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

Adding to 20444211330 its reverse (3311244402), we get a palindrome (23755455732).

The spelling of 20444211330 in words is "twenty billion, four hundred forty-four million, two hundred eleven thousand, three hundred thirty".