20927703516768 has 36 divisors (see below), whose sum is σ = 59513156876628. Its totient is φ = 6975901172160.

The previous prime is 20927703516767. The next prime is 20927703516793. The reversal of 20927703516768 is 86761530772902.

20927703516768 is a `hidden beast` number, since 2 + 0 + 9 + 277 + 0 + 351 + 6 + 7 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20927703516767) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 36332818318 + ... + 36332818893.

It is an arithmetic number, because the mean of its divisors is an integer number (1653143246573).

Almost surely, 2^{20927703516768} is an apocalyptic number.

It is an amenable number.

20927703516768 is an abundant number, since it is smaller than the sum of its proper divisors (38585453359860).

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

20927703516768 is a wasteful number, since it uses less digits than its factorization.

20927703516768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72665637227 (or 72665637216 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 20927703516768 in words is "twenty trillion, nine hundred twenty-seven billion, seven hundred three million, five hundred sixteen thousand, seven hundred sixty-eight".