205740924 has 24 divisors (see below), whose sum is σ = 495548928. Its totient is φ = 66367920.

The previous prime is 205740923. The next prime is 205740929. The reversal of 205740924 is 429047502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205740923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276162 + ... + 276905.

It is an arithmetic number, because the mean of its divisors is an integer number (20647872).

Almost surely, 2^205740924 is an apocalyptic number.

It is an amenable number.

205740924 is an abundant number, since it is smaller than the sum of its proper divisors (289808004).

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

205740924 is a wasteful number, since it uses less digits than its factorization.

205740924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553105 (or 553103 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 205740924 is about 14343.6719148201. The cubic root of 205740924 is about 590.3463675292.

The spelling of 205740924 in words is "two hundred five million, seven hundred forty thousand, nine hundred twenty-four".