205323630 has 16 divisors (see below), whose sum is σ = 492776784. Its totient is φ = 54752960.

The previous prime is 205323617. The next prime is 205323641. The reversal of 205323630 is 36323502.

205323630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 205323630.

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, 3422031 + ... + 3422090.

It is an arithmetic number, because the mean of its divisors is an integer number (30798549).

Almost surely, 2^205323630 is an apocalyptic number.

205323630 is an abundant number, since it is smaller than the sum of its proper divisors (287453154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205323630 is a wasteful number, since it uses less digits than its factorization.

205323630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844131.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 205323630 is about 14329.1182561943. The cubic root of 205323630 is about 589.9469740720.

The spelling of 205323630 in words is "two hundred five million, three hundred twenty-three thousand, six hundred thirty".