205462430 has 16 divisors (see below), whose sum is σ = 369995904. Its totient is φ = 82148640.

The previous prime is 205462421. The next prime is 205462483. The reversal of 205462430 is 34264502.

It is a self number, because there is not a number n which added to its sum of digits gives 205462430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40115 + ... + 44945.

It is an arithmetic number, because the mean of its divisors is an integer number (23124744).

Almost surely, 2^205462430 is an apocalyptic number.

205462430 is a deficient number, since it is larger than the sum of its proper divisors (164533474).

205462430 is a wasteful number, since it uses less digits than its factorization.

205462430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 205462430 is about 14333.9607227033. The cubic root of 205462430 is about 590.0798800205.

The spelling of 205462430 in words is "two hundred five million, four hundred sixty-two thousand, four hundred thirty".