205220236 has 24 divisors (see below), whose sum is σ = 394994880. Its totient is φ = 92700672.

The previous prime is 205220227. The next prime is 205220251. The reversal of 205220236 is 632022502.

It is a happy number.

205220236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39541 + ... + 44428.

It is an arithmetic number, because the mean of its divisors is an integer number (16458120).

Almost surely, 2^205220236 is an apocalyptic number.

205220236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

205220236 is a deficient number, since it is larger than the sum of its proper divisors (189774644).

205220236 is a wasteful number, since it uses less digits than its factorization.

205220236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84033 (or 84031 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 205220236 is about 14325.5099734704. The cubic root of 205220236 is about 589.8479316984.

Adding to 205220236 its reverse (632022502), we get a palindrome (837242738).

The spelling of 205220236 in words is "two hundred five million, two hundred twenty thousand, two hundred thirty-six".