205201434 has 8 divisors (see below), whose sum is σ = 410402880. Its totient is φ = 68400476.

The previous prime is 205201429. The next prime is 205201439. The reversal of 205201434 is 434102502.

It is an interprime number because it is at equal distance from previous prime (205201429) and next prime (205201439).

It is a sphenic number, since it is the product of 3 distinct primes.

205201434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 205201434.

It is not an unprimeable number, because it can be changed into a prime (205201439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17100114 + ... + 17100125.

It is an arithmetic number, because the mean of its divisors is an integer number (51300360).

Almost surely, 2^205201434 is an apocalyptic number.

205201434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205201434 is a wasteful number, since it uses less digits than its factorization.

205201434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34200244.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 205201434 is about 14324.8537165306. The cubic root of 205201434 is about 589.8299174588.

Adding to 205201434 its reverse (434102502), we get a palindrome (639303936).

The spelling of 205201434 in words is "two hundred five million, two hundred one thousand, four hundred thirty-four".