205532430 has 16 divisors (see below), whose sum is σ = 493277904. Its totient is φ = 54808640.

The previous prime is 205532419. The next prime is 205532441. The reversal of 205532430 is 34235502.

205532430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (205532419) and next prime (205532441).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 205532430.

It is a congruent number.

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, 3425511 + ... + 3425570.

It is an arithmetic number, because the mean of its divisors is an integer number (30829869).

Almost surely, 2^205532430 is an apocalyptic number.

205532430 is an abundant number, since it is smaller than the sum of its proper divisors (287745474).

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

205532430 is a wasteful number, since it uses less digits than its factorization.

205532430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851091.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 205532430 is about 14336.4022683517. The cubic root of 205532430 is about 590.1468848117.

Adding to 205532430 its reverse (34235502), we get a palindrome (239767932).

The spelling of 205532430 in words is "two hundred five million, five hundred thirty-two thousand, four hundred thirty".