204122544544 has 12 divisors (see below), whose sum is σ = 401866259634. Its totient is φ = 102061272256.

The previous prime is 204122544539. The next prime is 204122544601. The reversal of 204122544544 is 445445221402.

204122544544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 130566595600 + 73555948944 = 361340^2 + 271212^2 .

It is a super-2 number, since 2×204122544544² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189414727 + ... + 3189414790.

Almost surely, 2^204122544544 is an apocalyptic number.

It is an amenable number.

204122544544 is a deficient number, since it is larger than the sum of its proper divisors (197743715090).

204122544544 is an equidigital number, since it uses as much as digits as its factorization.

204122544544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378829527 (or 6378829519 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 37.

Adding to 204122544544 its reverse (445445221402), we get a palindrome (649567765946).

The spelling of 204122544544 in words is "two hundred four billion, one hundred twenty-two million, five hundred forty-four thousand, five hundred forty-four".