204252412443305 has 16 divisors (see below), whose sum is σ = 248557610237184. Its totient is φ = 161098833860160.

The previous prime is 204252412443293. The next prime is 204252412443341. The reversal of 204252412443305 is 503344214252402.

It is a de Polignac number, because none of the positive numbers 2^k-204252412443305 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32109587 + ... + 37941143.

It is an arithmetic number, because the mean of its divisors is an integer number (15534850639824).

Almost surely, 2^{204252412443305} is an apocalyptic number.

It is an amenable number.

204252412443305 is a deficient number, since it is larger than the sum of its proper divisors (44305197793879).

204252412443305 is an equidigital number, since it uses as much as digits as its factorization.

204252412443305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930296.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 204252412443305 its reverse (503344214252402), we get a palindrome (707596626695707).

The spelling of 204252412443305 in words is "two hundred four trillion, two hundred fifty-two billion, four hundred twelve million, four hundred forty-three thousand, three hundred five".