204121550224 has 40 divisors (see below), whose sum is σ = 398189826720. Its totient is φ = 101364307200.

The previous prime is 204121550219. The next prime is 204121550273. The reversal of 204121550224 is 422055121402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204121550192 and 204121550201.

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, 2278764 + ... + 2366644.

It is an arithmetic number, because the mean of its divisors is an integer number (9954745668).

Almost surely, 2^204121550224 is an apocalyptic number.

It is an amenable number.

204121550224 is a deficient number, since it is larger than the sum of its proper divisors (194068276496).

204121550224 is a wasteful number, since it uses less digits than its factorization.

204121550224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88879 (or 88873 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 204121550224 its reverse (422055121402), we get a palindrome (626176671626).

The spelling of 204121550224 in words is "two hundred four billion, one hundred twenty-one million, five hundred fifty thousand, two hundred twenty-four".