205104550 has 48 divisors (see below), whose sum is σ = 446658912. Its totient is φ = 68601600.

The previous prime is 205104521. The next prime is 205104553. The reversal of 205104550 is 55401502.

205104550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205104553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7204 + ... + 21496.

It is an arithmetic number, because the mean of its divisors is an integer number (9305394).

Almost surely, 2^205104550 is an apocalyptic number.

205104550 is an abundant number, since it is smaller than the sum of its proper divisors (241554362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205104550 is a wasteful number, since it uses less digits than its factorization.

205104550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14353 (or 14348 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 205104550 is about 14321.4716422580. The cubic root of 205104550 is about 589.7370752265.

The spelling of 205104550 in words is "two hundred five million, one hundred four thousand, five hundred fifty".