205340160 has 80 divisors (see below), whose sum is σ = 656471376. Its totient is φ = 54755328.

The previous prime is 205340147. The next prime is 205340183. The reversal of 205340160 is 61043502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 5689 + ... + 21048.

Almost surely, 2^205340160 is an apocalyptic number.

205340160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205340160 is an abundant number, since it is smaller than the sum of its proper divisors (451131216).

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

205340160 is an equidigital number, since it uses as much as digits as its factorization.

205340160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26763 (or 26747 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 205340160 is about 14329.6950421145. The cubic root of 205340160 is about 589.9628052776.

Adding to 205340160 its reverse (61043502), we get a palindrome (266383662).

The spelling of 205340160 in words is "two hundred five million, three hundred forty thousand, one hundred sixty".