205250320 has 40 divisors (see below), whose sum is σ = 520591680. Its totient is φ = 74636160.

The previous prime is 205250273. The next prime is 205250327. The reversal of 205250320 is 23052502.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (205250327) 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, 115740 + ... + 117499.

It is an arithmetic number, because the mean of its divisors is an integer number (13014792).

Almost surely, 2^205250320 is an apocalyptic number.

205250320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205250320 is an abundant number, since it is smaller than the sum of its proper divisors (315341360).

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

205250320 is a wasteful number, since it uses less digits than its factorization.

205250320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233263 (or 233257 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 205250320 is about 14326.5599499671. The cubic root of 205250320 is about 589.8767529598.

The spelling of 205250320 in words is "two hundred five million, two hundred fifty thousand, three hundred twenty".