205013330 has 8 divisors (see below), whose sum is σ = 369024012. Its totient is φ = 82005328.

The previous prime is 205013327. The next prime is 205013351. The reversal of 205013330 is 33310502.

It can be written as a sum of positive squares in 2 ways, for example, as 203604361 + 1408969 = 14269^2 + 1187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205013299 and 205013308.

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, 10250657 + ... + 10250676.

Almost surely, 2^205013330 is an apocalyptic number.

205013330 is a deficient number, since it is larger than the sum of its proper divisors (164010682).

205013330 is a wasteful number, since it uses less digits than its factorization.

205013330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20501340.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 205013330 is about 14318.2865595015. The cubic root of 205013330 is about 589.6496339790.

Adding to 205013330 its reverse (33310502), we get a palindrome (238323832).

The spelling of 205013330 in words is "two hundred five million, thirteen thousand, three hundred thirty".