20765604712 has 16 divisors (see below), whose sum is σ = 38937708000. Its totient is φ = 10382215920.

The previous prime is 20765604707. The next prime is 20765604731. The reversal of 20765604712 is 21740656702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101787 + ... + 227797.

It is an arithmetic number, because the mean of its divisors is an integer number (2433606750).

Almost surely, 2^20765604712 is an apocalyptic number.

It is an amenable number.

20765604712 is a deficient number, since it is larger than the sum of its proper divisors (18172103288).

20765604712 is a wasteful number, since it uses less digits than its factorization.

20765604712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146616 (or 146612 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 20765604712 in words is "twenty billion, seven hundred sixty-five million, six hundred four thousand, seven hundred twelve".