204551332355 has 8 divisors (see below), whose sum is σ = 259900516512. Its totient is φ = 154015120768.

The previous prime is 204551332327. The next prime is 204551332379. The reversal of 204551332355 is 553233155402.

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

It is a cyclic number.

It is not a de Polignac number, because 204551332355 - 2⁶ = 204551332291 is a prime.

It is a Duffinian number.

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, 1203243047 + ... + 1203243216.

It is an arithmetic number, because the mean of its divisors is an integer number (32487564564).

Almost surely, 2^204551332355 is an apocalyptic number.

204551332355 is a deficient number, since it is larger than the sum of its proper divisors (55349184157).

204551332355 is a wasteful number, since it uses less digits than its factorization.

204551332355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406486285.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 204551332355 its reverse (553233155402), we get a palindrome (757784487757).

The spelling of 204551332355 in words is "two hundred four billion, five hundred fifty-one million, three hundred thirty-two thousand, three hundred fifty-five".