205414530 has 32 divisors (see below), whose sum is σ = 493452864. Its totient is φ = 54726336.

The previous prime is 205414523. The next prime is 205414543. The reversal of 205414530 is 35414502.

It is a self number, because there is not a number n which added to its sum of digits gives 205414530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38697 + ... + 43683.

It is an arithmetic number, because the mean of its divisors is an integer number (15420402).

Almost surely, 2^205414530 is an apocalyptic number.

205414530 is an abundant number, since it is smaller than the sum of its proper divisors (288038334).

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

205414530 is a wasteful number, since it uses less digits than its factorization.

205414530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 205414530 is about 14332.2897682122. The cubic root of 205414530 is about 590.0340208286.

The spelling of 205414530 in words is "two hundred five million, four hundred fourteen thousand, five hundred thirty".