205227464 has 32 divisors (see below), whose sum is σ = 419664000. Its totient is φ = 93517632.

The previous prime is 205227439. The next prime is 205227467. The reversal of 205227464 is 464722502.

It is a self number, because there is not a number n which added to its sum of digits gives 205227464.

It is not an unprimeable number, because it can be changed into a prime (205227467) by changing a digit.

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, 4274 + ... + 20705.

It is an arithmetic number, because the mean of its divisors is an integer number (13114500).

Almost surely, 2^205227464 is an apocalyptic number.

It is an amenable number.

205227464 is an abundant number, since it is smaller than the sum of its proper divisors (214436536).

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

205227464 is a wasteful number, since it uses less digits than its factorization.

205227464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25077 (or 25073 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 205227464 is about 14325.7622484809. The cubic root of 205227464 is about 589.8548565691.

Adding to 205227464 its reverse (464722502), we get a palindrome (669949966).

The spelling of 205227464 in words is "two hundred five million, two hundred twenty-seven thousand, four hundred sixty-four".