205320850 has 24 divisors (see below), whose sum is σ = 436454208. Its totient is φ = 70395600.

The previous prime is 205320847. The next prime is 205320851. The reversal of 205320850 is 58023502.

205320850 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (205320851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292966 + ... + 293665.

It is an arithmetic number, because the mean of its divisors is an integer number (18185592).

Almost surely, 2^205320850 is an apocalyptic number.

205320850 is an abundant number, since it is smaller than the sum of its proper divisors (231133358).

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

205320850 is a wasteful number, since it uses less digits than its factorization.

205320850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586650 (or 586645 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 205320850 is about 14329.0212505949. The cubic root of 205320850 is about 589.9443115111.

The spelling of 205320850 in words is "two hundred five million, three hundred twenty thousand, eight hundred fifty".