205414730 has 16 divisors (see below), whose sum is σ = 369942120. Its totient is φ = 82122432.

The previous prime is 205414721. The next prime is 205414747. The reversal of 205414730 is 37414502.

It can be written as a sum of positive squares in 4 ways, for example, as 177715561 + 27699169 = 13331^2 + 5263^2 .

It is a super-2 number, since 2×205414730² = 84390422601945800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205414730.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20156 + ... + 28584.

Almost surely, 2^205414730 is an apocalyptic number.

205414730 is a deficient number, since it is larger than the sum of its proper divisors (164527390).

205414730 is a wasteful number, since it uses less digits than its factorization.

205414730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 205414730 is about 14332.2967454627. The cubic root of 205414730 is about 590.0342123223.

The spelling of 205414730 in words is "two hundred five million, four hundred fourteen thousand, seven hundred thirty".