205152692 has 12 divisors (see below), whose sum is σ = 359466660. Its totient is φ = 102447936.

The previous prime is 205152683. The next prime is 205152707. The reversal of 205152692 is 296251502.

It can be written as a sum of positive squares in 2 ways, for example, as 133310116 + 71842576 = 11546^2 + 8476^2 .

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 3 ways as a sum of consecutive naturals, for example, 28463 + ... + 34934.

It is an arithmetic number, because the mean of its divisors is an integer number (29955555).

Almost surely, 2^205152692 is an apocalyptic number.

It is an amenable number.

205152692 is a deficient number, since it is larger than the sum of its proper divisors (154313968).

205152692 is a wasteful number, since it uses less digits than its factorization.

205152692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64210 (or 64208 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 205152692 is about 14323.1523066677. The cubic root of 205152692 is about 589.7832125116.

The spelling of 205152692 in words is "two hundred five million, one hundred fifty-two thousand, six hundred ninety-two".