205513364 has 12 divisors (see below), whose sum is σ = 411026784. Its totient is φ = 88077144.

The previous prime is 205513351. The next prime is 205513369. The reversal of 205513364 is 463315502.

205513364 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205513369) 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, 3669854 + ... + 3669909.

It is an arithmetic number, because the mean of its divisors is an integer number (34252232).

Almost surely, 2^205513364 is an apocalyptic number.

It is an amenable number.

205513364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205513364 is a wasteful number, since it uses less digits than its factorization.

205513364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339774 (or 7339772 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 205513364 is about 14335.7373022806. The cubic root of 205513364 is about 590.1286361287.

Adding to 205513364 its reverse (463315502), we get a palindrome (668828866).

The spelling of 205513364 in words is "two hundred five million, five hundred thirteen thousand, three hundred sixty-four".