205211260 has 48 divisors (see below), whose sum is σ = 439094880. Its totient is φ = 80547840.

The previous prime is 205211239. The next prime is 205211291. The reversal of 205211260 is 62112502.

205211260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205211260² = 84223322461575200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269280 + ... + 270040.

It is an arithmetic number, because the mean of its divisors is an integer number (9147810).

Almost surely, 2^205211260 is an apocalyptic number.

205211260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205211260 is an abundant number, since it is smaller than the sum of its proper divisors (233883620).

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

205211260 is a wasteful number, since it uses less digits than its factorization.

205211260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 205211260 is about 14325.1966827684. The cubic root of 205211260 is about 589.8393319094.

Adding to 205211260 its reverse (62112502), we get a palindrome (267323762).

The spelling of 205211260 in words is "two hundred five million, two hundred eleven thousand, two hundred sixty".