20443330330 has 16 divisors (see below), whose sum is σ = 37316277504. Its totient is φ = 8062158160.

The previous prime is 20443330319. The next prime is 20443330337. The reversal of 20443330330 is 3303334402.

It is a junction number, because it is equal to n+sod(n) for n = 20443330295 and 20443330304.

It is not an unprimeable number, because it can be changed into a prime (20443330337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14396002 + ... + 14397421.

It is an arithmetic number, because the mean of its divisors is an integer number (2332267344).

Almost surely, 2^20443330330 is an apocalyptic number.

20443330330 is a deficient number, since it is larger than the sum of its proper divisors (16872947174).

20443330330 is a wasteful number, since it uses less digits than its factorization.

20443330330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28793501.

The product of its (nonzero) digits is 7776, while the sum is 25.

Adding to 20443330330 its reverse (3303334402), we get a palindrome (23746664732).

The spelling of 20443330330 in words is "twenty billion, four hundred forty-three million, three hundred thirty thousand, three hundred thirty".