20623587696 has 60 divisors (see below), whose sum is σ = 60755167720. Its totient is φ = 6512711040.

The previous prime is 20623587671. The next prime is 20623587707. The reversal of 20623587696 is 69678532602.

20623587696 is a `hidden beast` number, since 2 + 0 + 623 + 5 + 8 + 7 + 6 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3766195 + ... + 3771666.

Almost surely, 2^20623587696 is an apocalyptic number.

It is an amenable number.

20623587696 is an abundant number, since it is smaller than the sum of its proper divisors (40131580024).

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

20623587696 is a wasteful number, since it uses less digits than its factorization.

20623587696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537894 (or 7537885 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 20623587696 in words is "twenty billion, six hundred twenty-three million, five hundred eighty-seven thousand, six hundred ninety-six".