20768695416 has 96 divisors (see below), whose sum is σ = 64323698400. Its totient is φ = 5930254080.

The previous prime is 20768695403. The next prime is 20768695417. The reversal of 20768695416 is 61459686702.

20768695416 is a `hidden beast` number, since 20 + 76 + 8 + 6 + 9 + 541 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20768695417) 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 23 ways as a sum of consecutive naturals, for example, 865630 + ... + 889298.

It is an arithmetic number, because the mean of its divisors is an integer number (670038525).

Almost surely, 2^20768695416 is an apocalyptic number.

It is an amenable number.

20768695416 is an abundant number, since it is smaller than the sum of its proper divisors (43555002984).

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

20768695416 is a wasteful number, since it uses less digits than its factorization.

20768695416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25429 (or 25422 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 20768695416 in words is "twenty billion, seven hundred sixty-eight million, six hundred ninety-five thousand, four hundred sixteen".