205004268 has 72 divisors (see below), whose sum is σ = 593567520. Its totient is φ = 58440960.

The previous prime is 205004231. The next prime is 205004269. The reversal of 205004268 is 862400502.

205004268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205004269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191238 + ... + 192306.

Almost surely, 2^205004268 is an apocalyptic number.

205004268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

205004268 is an abundant number, since it is smaller than the sum of its proper divisors (388563252).

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

205004268 is a wasteful number, since it uses less digits than its factorization.

205004268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847 (or 1842 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 205004268 is about 14317.9701075257. The cubic root of 205004268 is about 589.6409459525.

The spelling of 205004268 in words is "two hundred five million, four thousand, two hundred sixty-eight".