204231320004 has 24 divisors (see below), whose sum is σ = 477262890720. Its totient is φ = 67973800384.

The previous prime is 204231319967. The next prime is 204231320011. The reversal of 204231320004 is 400023132402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12905049 + ... + 12920864.

It is an arithmetic number, because the mean of its divisors is an integer number (19885953780).

Almost surely, 2^204231320004 is an apocalyptic number.

It is an amenable number.

204231320004 is an abundant number, since it is smaller than the sum of its proper divisors (273031570716).

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

204231320004 is a wasteful number, since it uses less digits than its factorization.

204231320004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25826579 (or 25826577 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 204231320004 its reverse (400023132402), we get a palindrome (604254452406).

The spelling of 204231320004 in words is "two hundred four billion, two hundred thirty-one million, three hundred twenty thousand, four".