206252430 has 32 divisors (see below), whose sum is σ = 508387104. Its totient is φ = 53513856.

The previous prime is 206252419. The next prime is 206252443. The reversal of 206252430 is 34252602.

It is a self number, because there is not a number n which added to its sum of digits gives 206252430.

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 15 ways as a sum of consecutive naturals, for example, 91797 + ... + 94016.

It is an arithmetic number, because the mean of its divisors is an integer number (15887097).

Almost surely, 2^206252430 is an apocalyptic number.

206252430 is an abundant number, since it is smaller than the sum of its proper divisors (302134674).

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

206252430 is a wasteful number, since it uses less digits than its factorization.

206252430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185860.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 206252430 is about 14361.4912178367. The cubic root of 206252430 is about 590.8351955865.

The spelling of 206252430 in words is "two hundred six million, two hundred fifty-two thousand, four hundred thirty".