20009324450 has 48 divisors (see below), whose sum is σ = 37417147560. Its totient is φ = 7960888320.

The previous prime is 20009324443. The next prime is 20009324459. The reversal of 20009324450 is 5442390002.

It can be written as a sum of positive squares in 12 ways, for example, as 954006769 + 19055317681 = 30887^2 + 138041^2 .

It is not an unprimeable number, because it can be changed into a prime (20009324459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8575484 + ... + 8577816.

Almost surely, 2^20009324450 is an apocalyptic number.

20009324450 is a deficient number, since it is larger than the sum of its proper divisors (17407823110).

20009324450 is a wasteful number, since it uses less digits than its factorization.

20009324450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191 (or 3186 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 20009324450 in words is "twenty billion, nine million, three hundred twenty-four thousand, four hundred fifty".