205501152 has 24 divisors (see below), whose sum is σ = 539440776. Its totient is φ = 68500352.

The previous prime is 205501133. The next prime is 205501181. The reversal of 205501152 is 251105502.

205501152 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070223 + ... + 1070414.

It is an arithmetic number, because the mean of its divisors is an integer number (22476699).

Almost surely, 2^205501152 is an apocalyptic number.

It is an amenable number.

205501152 is an abundant number, since it is smaller than the sum of its proper divisors (333939624).

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

205501152 is a wasteful number, since it uses less digits than its factorization.

205501152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140650 (or 2140642 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 205501152 is about 14335.3113673893. The cubic root of 205501152 is about 590.1169470371.

Adding to 205501152 its reverse (251105502), we get a palindrome (456606654).

The spelling of 205501152 in words is "two hundred five million, five hundred one thousand, one hundred fifty-two".