20440112330 has 32 divisors (see below), whose sum is σ = 40184968320. Its totient is φ = 7423875520.

The previous prime is 20440112267. The next prime is 20440112339. The reversal of 20440112330 is 3321104402.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20440112339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18449 + ... + 203028.

It is an arithmetic number, because the mean of its divisors is an integer number (1255780260).

Almost surely, 2^20440112330 is an apocalyptic number.

20440112330 is a deficient number, since it is larger than the sum of its proper divisors (19744855990).

20440112330 is a wasteful number, since it uses less digits than its factorization.

20440112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222334.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20440112330 its reverse (3321104402), we get a palindrome (23761216732).

The spelling of 20440112330 in words is "twenty billion, four hundred forty million, one hundred twelve thousand, three hundred thirty".