20760055816 has 16 divisors (see below), whose sum is σ = 39092168700. Its totient is φ = 10335477504.

The previous prime is 20760055777. The next prime is 20760055817. The reversal of 20760055816 is 61855006702.

It can be written as a sum of positive squares in 2 ways, for example, as 15663523716 + 5096532100 = 125154^2 + 71390^2 .

It is not an unprimeable number, because it can be changed into a prime (20760055817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5566821 + ... + 5570548.

Almost surely, 2^20760055816 is an apocalyptic number.

It is an amenable number.

20760055816 is a deficient number, since it is larger than the sum of its proper divisors (18332112884).

20760055816 is a wasteful number, since it uses less digits than its factorization.

20760055816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137608 (or 11137604 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 20760055816 in words is "twenty billion, seven hundred sixty million, fifty-five thousand, eight hundred sixteen".