20468032686 has 24 divisors (see below), whose sum is σ = 44352304464. Its totient is φ = 6821923680.

The previous prime is 20468032633. The next prime is 20468032709. The reversal of 20468032686 is 68623086402.

20468032686 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118791 + ... + 234621.

It is an arithmetic number, because the mean of its divisors is an integer number (1848012686).

Almost surely, 2^20468032686 is an apocalyptic number.

20468032686 is an abundant number, since it is smaller than the sum of its proper divisors (23884271778).

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

20468032686 is a wasteful number, since it uses less digits than its factorization.

20468032686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125656 (or 125653 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 20468032686 in words is "twenty billion, four hundred sixty-eight million, thirty-two thousand, six hundred eighty-six".