205828430 has 16 divisors (see below), whose sum is σ = 370910880. Its totient is φ = 82238112.

The previous prime is 205828429. The next prime is 205828459. The reversal of 205828430 is 34828502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 20388.

It is an arithmetic number, because the mean of its divisors is an integer number (23181930).

Almost surely, 2^205828430 is an apocalyptic number.

205828430 is a deficient number, since it is larger than the sum of its proper divisors (165082450).

205828430 is a wasteful number, since it uses less digits than its factorization.

205828430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23323.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 205828430 is about 14346.7219252343. The cubic root of 205828430 is about 590.4300512969.

The spelling of 205828430 in words is "two hundred five million, eight hundred twenty-eight thousand, four hundred thirty".