205304880255 has 32 divisors (see below), whose sum is σ = 329867751360. Its totient is φ = 109036661760.

The previous prime is 205304880217. The next prime is 205304880259. The reversal of 205304880255 is 552088403502.

It is a happy number.

It is not a de Polignac number, because 205304880255 - 2⁷ = 205304880127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205304880259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4772181 + ... + 4815009.

It is an arithmetic number, because the mean of its divisors is an integer number (10308367230).

Almost surely, 2^205304880255 is an apocalyptic number.

205304880255 is a deficient number, since it is larger than the sum of its proper divisors (124562871105).

205304880255 is a wasteful number, since it uses less digits than its factorization.

205304880255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44171.

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 205304880255 in words is "two hundred five billion, three hundred four million, eight hundred eighty thousand, two hundred fifty-five".