205008190 has 16 divisors (see below), whose sum is σ = 375065280. Its totient is φ = 80658720.

The previous prime is 205008179. The next prime is 205008191. The reversal of 205008190 is 91800502.

205008190 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 2×205008190² = 84056715934152200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205008191) 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, 167430 + ... + 168649.

It is an arithmetic number, because the mean of its divisors is an integer number (23441580).

Almost surely, 2^205008190 is an apocalyptic number.

205008190 is a deficient number, since it is larger than the sum of its proper divisors (170057090).

205008190 is a wasteful number, since it uses less digits than its factorization.

205008190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336147.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 205008190 is about 14318.1070676259. The cubic root of 205008190 is about 589.6447061296.

Adding to 205008190 its reverse (91800502), we get a palindrome (296808692).

The spelling of 205008190 in words is "two hundred five million, eight thousand, one hundred ninety".