20104444432 has 10 divisors (see below), whose sum is σ = 38952361118. Its totient is φ = 10052222208.

The previous prime is 20104444429. The next prime is 20104444453. The reversal of 20104444432 is 23444440102.

It can be written as a sum of positive squares in only one way, i.e., 17567911936 + 2536532496 = 132544^2 + 50364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20104444432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628263873 + ... + 628263904.

Almost surely, 2^20104444432 is an apocalyptic number.

It is an amenable number.

20104444432 is a deficient number, since it is larger than the sum of its proper divisors (18847916686).

20104444432 is a wasteful number, since it uses less digits than its factorization.

20104444432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256527785 (or 1256527779 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20104444432 its reverse (23444440102), we get a palindrome (43548884534).

The spelling of 20104444432 in words is "twenty billion, one hundred four million, four hundred forty-four thousand, four hundred thirty-two".