204200426165 has 8 divisors (see below), whose sum is σ = 245539578528. Its totient is φ = 163027629520.

The previous prime is 204200426123. The next prime is 204200426237. The reversal of 204200426165 is 561624002402.

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

It is not a de Polignac number, because 204200426165 - 2¹⁰ = 204200425141 is a prime.

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, 41586227 + ... + 41591136.

It is an arithmetic number, because the mean of its divisors is an integer number (30692447316).

Almost surely, 2^204200426165 is an apocalyptic number.

It is an amenable number.

204200426165 is a deficient number, since it is larger than the sum of its proper divisors (41339152363).

204200426165 is an equidigital number, since it uses as much as digits as its factorization.

204200426165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83177859.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 204200426165 its reverse (561624002402), we get a palindrome (765824428567).

The spelling of 204200426165 in words is "two hundred four billion, two hundred million, four hundred twenty-six thousand, one hundred sixty-five".