205280334 has 24 divisors (see below), whose sum is σ = 508313520. Its totient is φ = 58651488.

The previous prime is 205280303. The next prime is 205280353. The reversal of 205280334 is 433082502.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205280298 and 205280307.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 814479 + ... + 814730.

It is an arithmetic number, because the mean of its divisors is an integer number (21179730).

Almost surely, 2^205280334 is an apocalyptic number.

205280334 is an abundant number, since it is smaller than the sum of its proper divisors (303033186).

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

205280334 is a wasteful number, since it uses less digits than its factorization.

205280334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629224 (or 1629221 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 205280334 is about 14327.6074066817. The cubic root of 205280334 is about 589.9055043529.

The spelling of 205280334 in words is "two hundred five million, two hundred eighty thousand, three hundred thirty-four".