205530104 has 32 divisors (see below), whose sum is σ = 415815120. Its totient is φ = 94676736.

The previous prime is 205530097. The next prime is 205530121. The reversal of 205530104 is 401035502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62567 + ... + 65769.

Almost surely, 2^205530104 is an apocalyptic number.

It is an amenable number.

205530104 is an abundant number, since it is smaller than the sum of its proper divisors (210285016).

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

205530104 is a wasteful number, since it uses less digits than its factorization.

205530104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839 (or 3835 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 205530104 is about 14336.3211459565. The cubic root of 205530104 is about 590.1446585826.

Adding to 205530104 its reverse (401035502), we get a palindrome (606565606).

The spelling of 205530104 in words is "two hundred five million, five hundred thirty thousand, one hundred four".