20334404432 has 10 divisors (see below), whose sum is σ = 39397908618. Its totient is φ = 10167202208.

The previous prime is 20334404417. The next prime is 20334404449. The reversal of 20334404432 is 23440443302.

It can be written as a sum of positive squares in only one way, i.e., 19244348176 + 1090056256 = 138724^2 + 33016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20334404395 and 20334404404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635450123 + ... + 635450154.

Almost surely, 2^20334404432 is an apocalyptic number.

It is an amenable number.

20334404432 is a deficient number, since it is larger than the sum of its proper divisors (19063504186).

20334404432 is a wasteful number, since it uses less digits than its factorization.

20334404432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270900285 (or 1270900279 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20334404432 its reverse (23440443302), we get a palindrome (43774847734).

The spelling of 20334404432 in words is "twenty billion, three hundred thirty-four million, four hundred four thousand, four hundred thirty-two".