205066254 has 8 divisors (see below), whose sum is σ = 410132520. Its totient is φ = 68355416.

The previous prime is 205066237. The next prime is 205066261. The reversal of 205066254 is 452660502.

It is a sphenic number, since it is the product of 3 distinct primes.

205066254 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17088849 + ... + 17088860.

It is an arithmetic number, because the mean of its divisors is an integer number (51266565).

Almost surely, 2^205066254 is an apocalyptic number.

205066254 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205066254 is a wasteful number, since it uses less digits than its factorization.

205066254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34177714.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 205066254 is about 14320.1345664068. The cubic root of 205066254 is about 589.7003687813.

The spelling of 205066254 in words is "two hundred five million, sixty-six thousand, two hundred fifty-four".