205141730 has 8 divisors (see below), whose sum is σ = 369255132. Its totient is φ = 82056688.

The previous prime is 205141693. The next prime is 205141733. The reversal of 205141730 is 37141502.

205141730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 190633249 + 14508481 = 13807^2 + 3809^2 .

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 = 205141696 and 205141705.

It is not an unprimeable number, because it can be changed into a prime (205141733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10257077 + ... + 10257096.

Almost surely, 2^205141730 is an apocalyptic number.

205141730 is a deficient number, since it is larger than the sum of its proper divisors (164113402).

205141730 is a wasteful number, since it uses less digits than its factorization.

205141730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20514180.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 205141730 is about 14322.7696343968. The cubic root of 205141730 is about 589.7727076226.

The spelling of 205141730 in words is "two hundred five million, one hundred forty-one thousand, seven hundred thirty".