205235124 has 12 divisors (see below), whose sum is σ = 478881984. Its totient is φ = 68411704.

The previous prime is 205235111. The next prime is 205235161. The reversal of 205235124 is 421532502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×205235124² = 84242912246590752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205235094 and 205235103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8551452 + ... + 8551475.

It is an arithmetic number, because the mean of its divisors is an integer number (39906832).

Almost surely, 2^205235124 is an apocalyptic number.

It is an amenable number.

205235124 is an abundant number, since it is smaller than the sum of its proper divisors (273646860).

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

205235124 is a wasteful number, since it uses less digits than its factorization.

205235124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17102934 (or 17102932 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 205235124 is about 14326.0295965072. The cubic root of 205235124 is about 589.8621951451.

Adding to 205235124 its reverse (421532502), we get a palindrome (626767626).

The spelling of 205235124 in words is "two hundred five million, two hundred thirty-five thousand, one hundred twenty-four".