204508803838 has 8 divisors (see below), whose sum is σ = 306765509688. Its totient is φ = 102253633944.

The previous prime is 204508803833. The next prime is 204508803839. The reversal of 204508803838 is 838308805402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 204508803791 and 204508803800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204508803833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44520 + ... + 641092.

It is an arithmetic number, because the mean of its divisors is an integer number (38345688711).

Almost surely, 2^204508803838 is an apocalyptic number.

204508803838 is a deficient number, since it is larger than the sum of its proper divisors (102256705850).

204508803838 is a wasteful number, since it uses less digits than its factorization.

204508803838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767978.

The product of its (nonzero) digits is 1474560, while the sum is 49.

It can be divided in two parts, 20450 and 8803838, that added together give a palindrome (8824288).

The spelling of 204508803838 in words is "two hundred four billion, five hundred eight million, eight hundred three thousand, eight hundred thirty-eight".