205826030 has 16 divisors (see below), whose sum is σ = 377478144. Its totient is φ = 80776800.

The previous prime is 205825999. The next prime is 205826039. The reversal of 205826030 is 30628502.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205826039) 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, 193646 + ... + 194705.

It is an arithmetic number, because the mean of its divisors is an integer number (23592384).

Almost surely, 2^205826030 is an apocalyptic number.

205826030 is a deficient number, since it is larger than the sum of its proper divisors (171652114).

205826030 is a wasteful number, since it uses less digits than its factorization.

205826030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388411.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 205826030 is about 14346.6382821900. The cubic root of 205826030 is about 590.4277564445.

The spelling of 205826030 in words is "two hundred five million, eight hundred twenty-six thousand, thirty".