204031200200394 has 24 divisors (see below), whose sum is σ = 474684833119968. Its totient is φ = 58294628628600.

The previous prime is 204031200200393. The next prime is 204031200200407. The reversal of 204031200200394 is 493002002130402.

It is a super-3 number, since 3×204031200200394³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204031200200393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346991836782 + ... + 346991837369.

It is an arithmetic number, because the mean of its divisors is an integer number (19778534713332).

Almost surely, 2^{204031200200394} is an apocalyptic number.

204031200200394 is an abundant number, since it is smaller than the sum of its proper divisors (270653632919574).

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

204031200200394 is a wasteful number, since it uses less digits than its factorization.

204031200200394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693983674170 (or 693983674163 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 204031200200394 its reverse (493002002130402), we get a palindrome (697033202330796).

The spelling of 204031200200394 in words is "two hundred four trillion, thirty-one billion, two hundred million, two hundred thousand, three hundred ninety-four".