205532650 has 24 divisors (see below), whose sum is σ = 384516684. Its totient is φ = 81734400.

The previous prime is 205532629. The next prime is 205532653. The reversal of 205532650 is 56235502.

205532650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 128391561 + 77141089 = 11331^2 + 8783^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205532653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3231 + ... + 20530.

Almost surely, 2^205532650 is an apocalyptic number.

205532650 is a deficient number, since it is larger than the sum of its proper divisors (178984034).

205532650 is a wasteful number, since it uses less digits than its factorization.

205532650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23946 (or 23941 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 205532650 is about 14336.4099411254. The cubic root of 205532650 is about 590.1470953742.

The spelling of 205532650 in words is "two hundred five million, five hundred thirty-two thousand, six hundred fifty".