205352430 has 16 divisors (see below), whose sum is σ = 492845904. Its totient is φ = 54760640.

The previous prime is 205352429. The next prime is 205352443. The reversal of 205352430 is 34253502.

It is a self number, because there is not a number n which added to its sum of digits gives 205352430.

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, 3422511 + ... + 3422570.

It is an arithmetic number, because the mean of its divisors is an integer number (30802869).

Almost surely, 2^205352430 is an apocalyptic number.

205352430 is an abundant number, since it is smaller than the sum of its proper divisors (287493474).

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

205352430 is a wasteful number, since it uses less digits than its factorization.

205352430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845091.

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

The square root of 205352430 is about 14330.1231676493. The cubic root of 205352430 is about 589.9745560223.

The spelling of 205352430 in words is "two hundred five million, three hundred fifty-two thousand, four hundred thirty".