204100380305 has 8 divisors (see below), whose sum is σ = 244939503744. Its totient is φ = 163267606000.

The previous prime is 204100380299. The next prime is 204100380307. The reversal of 204100380305 is 503083001402.

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

It is not a de Polignac number, because 204100380305 - 2¹⁴ = 204100363921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204100380307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516271 + ... + 1645380.

It is an arithmetic number, because the mean of its divisors is an integer number (30617437968).

Almost surely, 2^204100380305 is an apocalyptic number.

It is an amenable number.

204100380305 is a deficient number, since it is larger than the sum of its proper divisors (40839123439).

204100380305 is a wasteful number, since it uses less digits than its factorization.

204100380305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3174567.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 204100380305 its reverse (503083001402), we get a palindrome (707183381707).

The spelling of 204100380305 in words is "two hundred four billion, one hundred million, three hundred eighty thousand, three hundred five".