205025460 has 24 divisors (see below), whose sum is σ = 574071456. Its totient is φ = 54673440.

The previous prime is 205025459. The next prime is 205025477. The reversal of 205025460 is 64520502.

It is a self number, because there is not a number n which added to its sum of digits gives 205025460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708486 + ... + 1708605.

It is an arithmetic number, because the mean of its divisors is an integer number (23919644).

Almost surely, 2^205025460 is an apocalyptic number.

205025460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205025460 is an abundant number, since it is smaller than the sum of its proper divisors (369045996).

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

205025460 is a wasteful number, since it uses less digits than its factorization.

205025460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417103 (or 3417101 counting only the distinct ones).

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

The square root of 205025460 is about 14318.7101374391. The cubic root of 205025460 is about 589.6612629936.

Adding to 205025460 its reverse (64520502), we get a palindrome (269545962).

The spelling of 205025460 in words is "two hundred five million, twenty-five thousand, four hundred sixty".