205006260 has 48 divisors (see below), whose sum is σ = 574785792. Its totient is φ = 54595200.

The previous prime is 205006253. The next prime is 205006267. The reversal of 205006260 is 62600502.

It is an interprime number because it is at equal distance from previous prime (205006253) and next prime (205006267).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205006267) 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, 54645 + ... + 58275.

It is an arithmetic number, because the mean of its divisors is an integer number (11974704).

Almost surely, 2^205006260 is an apocalyptic number.

205006260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205006260 is an abundant number, since it is smaller than the sum of its proper divisors (369779532).

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

205006260 is a wasteful number, since it uses less digits than its factorization.

205006260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584 (or 4582 counting only the distinct ones).

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

The square root of 205006260 is about 14318.0396702901. The cubic root of 205006260 is about 589.6428557680.

Adding to 205006260 its reverse (62600502), we get a palindrome (267606762).

The spelling of 205006260 in words is "two hundred five million, six thousand, two hundred sixty".