205700230 has 16 divisors (see below), whose sum is σ = 371705760. Its totient is φ = 81958912.

The previous prime is 205700207. The next prime is 205700233. The reversal of 205700230 is 32007502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205700198 and 205700207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205700233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37450 + ... + 42589.

It is an arithmetic number, because the mean of its divisors is an integer number (23231610).

Almost surely, 2^205700230 is an apocalyptic number.

205700230 is a deficient number, since it is larger than the sum of its proper divisors (166005530).

205700230 is a wasteful number, since it uses less digits than its factorization.

205700230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80303.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 205700230 is about 14342.2533097139. The cubic root of 205700230 is about 590.3074429460.

Adding to 205700230 its reverse (32007502), we get a palindrome (237707732).

The spelling of 205700230 in words is "two hundred five million, seven hundred thousand, two hundred thirty".