205652428 has 24 divisors (see below), whose sum is σ = 380343600. Its totient is φ = 97026048.

The previous prime is 205652353. The next prime is 205652441. The reversal of 205652428 is 824256502.

It is a super-2 number, since 2×205652428² = 84585842284590368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 205652393 and 205652402.

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, 14268 + ... + 24796.

It is an arithmetic number, because the mean of its divisors is an integer number (15847650).

Almost surely, 2^205652428 is an apocalyptic number.

It is an amenable number.

205652428 is a deficient number, since it is larger than the sum of its proper divisors (174691172).

205652428 is a wasteful number, since it uses less digits than its factorization.

205652428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10809 (or 10807 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 205652428 is about 14340.5867383451. The cubic root of 205652428 is about 590.2617128683.

The spelling of 205652428 in words is "two hundred five million, six hundred fifty-two thousand, four hundred twenty-eight".