205404302016 has 42 divisors (see below), whose sum is σ = 588754346492. Its totient is φ = 68468100480.

The previous prime is 205404302011. The next prime is 205404302023. The reversal of 205404302016 is 610203404502.

205404302016 is a `hidden beast` number, since 20 + 5 + 4 + 0 + 430 + 201 + 6 = 666.

205404302016 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205404302011) 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 5 ways as a sum of consecutive naturals, for example, 178301770 + ... + 178302921.

Almost surely, 2^205404302016 is an apocalyptic number.

It is an amenable number.

205404302016 is an abundant number, since it is smaller than the sum of its proper divisors (383350044476).

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

205404302016 is a wasteful number, since it uses less digits than its factorization.

205404302016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356604709 (or 356604696 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 205404302016 its reverse (610203404502), we get a palindrome (815607706518).

The spelling of 205404302016 in words is "two hundred five billion, four hundred four million, three hundred two thousand, sixteen".