205530152 has 16 divisors (see below), whose sum is σ = 389186100. Its totient is φ = 101747200.

The previous prime is 205530151. The next prime is 205530173. The reversal of 205530152 is 251035502.

It can be written as a sum of positive squares in 2 ways, for example, as 190053796 + 15476356 = 13786^2 + 3934^2 .

It is a super-2 number, since 2×205530152² = 84485286762286208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205530151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126377 + ... + 127992.

Almost surely, 2^205530152 is an apocalyptic number.

It is an amenable number.

205530152 is a deficient number, since it is larger than the sum of its proper divisors (183655948).

205530152 is a wasteful number, since it uses less digits than its factorization.

205530152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254476 (or 254472 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 205530152 is about 14336.3228200261. The cubic root of 205530152 is about 590.1447045238.

Adding to 205530152 its reverse (251035502), we get a palindrome (456565654).

It can be divided in two parts, 205530 and 152, that multiplied together give a triangular number (31240560 = T₇₉₀₄).

The spelling of 205530152 in words is "two hundred five million, five hundred thirty thousand, one hundred fifty-two".