205316260 has 48 divisors (see below), whose sum is σ = 439488000. Its totient is φ = 80555904.

The previous prime is 205316249. The next prime is 205316263. The reversal of 205316260 is 62613502.

It is not an unprimeable number, because it can be changed into a prime (205316263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314094 + ... + 314746.

It is an arithmetic number, because the mean of its divisors is an integer number (9156000).

Almost surely, 2^205316260 is an apocalyptic number.

205316260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205316260 is an abundant number, since it is smaller than the sum of its proper divisors (234171740).

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

205316260 is a wasteful number, since it uses less digits than its factorization.

205316260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 205316260 is about 14328.8610852363. The cubic root of 205316260 is about 589.9399153598.

Adding to 205316260 its reverse (62613502), we get a palindrome (267929762).

The spelling of 205316260 in words is "two hundred five million, three hundred sixteen thousand, two hundred sixty".