205205036 has 12 divisors (see below), whose sum is σ = 360445680. Its totient is φ = 102220560.

The previous prime is 205205023. The next prime is 205205051. The reversal of 205205036 is 630502502.

It is a happy number.

205205036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205205036² = 84218213599522592, which contains 22 as substring.

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, 94280 + ... + 96431.

It is an arithmetic number, because the mean of its divisors is an integer number (30037140).

Almost surely, 2^205205036 is an apocalyptic number.

It is an amenable number.

205205036 is a deficient number, since it is larger than the sum of its proper divisors (155240644).

205205036 is a wasteful number, since it uses less digits than its factorization.

205205036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190984 (or 190982 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 205205036 is about 14324.9794415210. The cubic root of 205205036 is about 589.8333686285.

Adding to 205205036 its reverse (630502502), we get a palindrome (835707538).

The spelling of 205205036 in words is "two hundred five million, two hundred five thousand, thirty-six".