204711943968 has 144 divisors (see below), whose sum is σ = 665451521280. Its totient is φ = 58477022208.

The previous prime is 204711943967. The next prime is 204711943981. The reversal of 204711943968 is 869349117402.

204711943968 is a `hidden beast` number, since 20 + 47 + 1 + 194 + 396 + 8 = 666.

204711943968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (204711943967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15171721 + ... + 15185207.

It is an arithmetic number, because the mean of its divisors is an integer number (4621191120).

Almost surely, 2^204711943968 is an apocalyptic number.

204711943968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204711943968 is an abundant number, since it is smaller than the sum of its proper divisors (460739577312).

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

204711943968 is a wasteful number, since it uses less digits than its factorization.

204711943968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21039 (or 21028 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 204711943968 in words is "two hundred four billion, seven hundred eleven million, nine hundred forty-three thousand, nine hundred sixty-eight".