205350220 has 12 divisors (see below), whose sum is σ = 431235504. Its totient is φ = 82140080.

The previous prime is 205350209. The next prime is 205350221. The reversal of 205350220 is 22053502.

205350220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205350221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133736 + ... + 5133775.

It is an arithmetic number, because the mean of its divisors is an integer number (35936292).

Almost surely, 2^205350220 is an apocalyptic number.

205350220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205350220 is an abundant number, since it is smaller than the sum of its proper divisors (225885284).

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

205350220 is a wasteful number, since it uses less digits than its factorization.

205350220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267520 (or 10267518 counting only the distinct ones).

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

The square root of 205350220 is about 14330.0460571486. The cubic root of 205350220 is about 589.9724395821.

The spelling of 205350220 in words is "two hundred five million, three hundred fifty thousand, two hundred twenty".