20441768208 has 40 divisors (see below), whose sum is σ = 52881436800. Its totient is φ = 6804434304.

The previous prime is 20441768197. The next prime is 20441768239. The reversal of 20441768208 is 80286714402.

It is a self number, because there is not a number n which added to its sum of digits gives 20441768208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261643 + ... + 330666.

It is an arithmetic number, because the mean of its divisors is an integer number (1322035920).

Almost surely, 2^20441768208 is an apocalyptic number.

It is an amenable number.

20441768208 is an abundant number, since it is smaller than the sum of its proper divisors (32439668592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20441768208 is a wasteful number, since it uses less digits than its factorization.

20441768208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593039 (or 593033 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 20441768208 in words is "twenty billion, four hundred forty-one million, seven hundred sixty-eight thousand, two hundred eight".