20004447332 has 12 divisors (see below), whose sum is σ = 37067064300. Its totient is φ = 9413857536.

The previous prime is 20004447329. The next prime is 20004447367. The reversal of 20004447332 is 23374440002.

It can be written as a sum of positive squares in 2 ways, for example, as 11005268836 + 8999178496 = 104906^2 + 94864^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20004447295 and 20004447304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147091457 + ... + 147091592.

It is an arithmetic number, because the mean of its divisors is an integer number (3088922025).

Almost surely, 2^20004447332 is an apocalyptic number.

It is an amenable number.

20004447332 is a deficient number, since it is larger than the sum of its proper divisors (17062616968).

20004447332 is a wasteful number, since it uses less digits than its factorization.

20004447332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294183070 (or 294183068 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

Adding to 20004447332 its reverse (23374440002), we get a palindrome (43378887334).

The spelling of 20004447332 in words is "twenty billion, four million, four hundred forty-seven thousand, three hundred thirty-two".