20804325448 has 8 divisors (see below), whose sum is σ = 39008110230. Its totient is φ = 10402162720.

The previous prime is 20804325431. The next prime is 20804325469. The reversal of 20804325448 is 84452340802.

It can be written as a sum of positive squares in only one way, i.e., 17365441284 + 3438884164 = 131778^2 + 58642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20804325448.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300270333 + ... + 1300270348.

Almost surely, 2^20804325448 is an apocalyptic number.

It is an amenable number.

20804325448 is a deficient number, since it is larger than the sum of its proper divisors (18203784782).

20804325448 is a wasteful number, since it uses less digits than its factorization.

20804325448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600540687 (or 2600540683 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 20804325448 in words is "twenty billion, eight hundred four million, three hundred twenty-five thousand, four hundred forty-eight".