204020343115 has 8 divisors (see below), whose sum is σ = 245611630368. Its totient is φ = 162691462080.

The previous prime is 204020343091. The next prime is 204020343139. The reversal of 204020343115 is 511343020402.

It is an interprime number because it is at equal distance from previous prime (204020343091) and next prime (204020343139).

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

It is not a de Polignac number, because 204020343115 - 2¹¹ = 204020341067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204020343115.

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, 65599842 + ... + 65602951.

It is an arithmetic number, because the mean of its divisors is an integer number (30701453796).

Almost surely, 2^204020343115 is an apocalyptic number.

204020343115 is a deficient number, since it is larger than the sum of its proper divisors (41591287253).

204020343115 is a wasteful number, since it uses less digits than its factorization.

204020343115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131203109.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 204020343115 its reverse (511343020402), we get a palindrome (715363363517).

The spelling of 204020343115 in words is "two hundred four billion, twenty million, three hundred forty-three thousand, one hundred fifteen".