205402345334034 has 64 divisors (see below), whose sum is σ = 436464759951360. Its totient is φ = 64218467686400.

The previous prime is 205402345334027. The next prime is 205402345334089. The reversal of 205402345334034 is 430433543204502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2329599502 + ... + 2329687670.

It is an arithmetic number, because the mean of its divisors is an integer number (6819761874240).

Almost surely, 2^{205402345334034} is an apocalyptic number.

205402345334034 is an abundant number, since it is smaller than the sum of its proper divisors (231062414617326).

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

205402345334034 is a wasteful number, since it uses less digits than its factorization.

205402345334034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166435.

The product of its (nonzero) digits is 2073600, while the sum is 42.

Adding to 205402345334034 its reverse (430433543204502), we get a palindrome (635835888538536).

The spelling of 205402345334034 in words is "two hundred five trillion, four hundred two billion, three hundred forty-five million, three hundred thirty-four thousand, thirty-four".