205669328 has 10 divisors (see below), whose sum is σ = 398484354. Its totient is φ = 102834656.

The previous prime is 205669313. The next prime is 205669361. The reversal of 205669328 is 823966502.

It can be written as a sum of positive squares in only one way, i.e., 137639824 + 68029504 = 11732^2 + 8248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427151 + ... + 6427182.

Almost surely, 2^205669328 is an apocalyptic number.

It is an amenable number.

205669328 is a deficient number, since it is larger than the sum of its proper divisors (192815026).

205669328 is a wasteful number, since it uses less digits than its factorization.

205669328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12854341 (or 12854335 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 205669328 is about 14341.1759629397. The cubic root of 205669328 is about 590.2778811671.

The spelling of 205669328 in words is "two hundred five million, six hundred sixty-nine thousand, three hundred twenty-eight".