205289432 has 32 divisors (see below), whose sum is σ = 392851200. Its totient is φ = 100548864.

The previous prime is 205289423. The next prime is 205289437. The reversal of 205289432 is 234982502.

It is a junction number, because it is equal to n+sod(n) for n = 205289392 and 205289401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205289437) 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, 90569 + ... + 92807.

It is an arithmetic number, because the mean of its divisors is an integer number (12276600).

Almost surely, 2^205289432 is an apocalyptic number.

It is an amenable number.

205289432 is a deficient number, since it is larger than the sum of its proper divisors (187561768).

205289432 is a wasteful number, since it uses less digits than its factorization.

205289432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475 (or 2471 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 205289432 is about 14327.9249020924. The cubic root of 205289432 is about 589.9142190715.

The spelling of 205289432 in words is "two hundred five million, two hundred eighty-nine thousand, four hundred thirty-two".