205152430 has 48 divisors (see below), whose sum is σ = 448357536. Its totient is φ = 66193920.

The previous prime is 205152427. The next prime is 205152449. The reversal of 205152430 is 34251502.

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 23 ways as a sum of consecutive naturals, for example, 15160 + ... + 25300.

It is an arithmetic number, because the mean of its divisors is an integer number (9340782).

Almost surely, 2^205152430 is an apocalyptic number.

205152430 is an abundant number, since it is smaller than the sum of its proper divisors (243205106).

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

205152430 is a wasteful number, since it uses less digits than its factorization.

205152430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189 (or 10172 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 205152430 is about 14323.1431606334. The cubic root of 205152430 is about 589.7829614412.

The spelling of 205152430 in words is "two hundred five million, one hundred fifty-two thousand, four hundred thirty".