20650655468 has 12 divisors (see below), whose sum is σ = 36148102200. Its totient is φ = 10322626272.

The previous prime is 20650655453. The next prime is 20650655471. The reversal of 20650655468 is 86455605602.

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, 658118 + ... + 688781.

It is an arithmetic number, because the mean of its divisors is an integer number (3012341850).

Almost surely, 2^20650655468 is an apocalyptic number.

It is an amenable number.

20650655468 is a deficient number, since it is larger than the sum of its proper divisors (15497446732).

20650655468 is a wasteful number, since it uses less digits than its factorization.

20650655468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350736 (or 1350734 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 20650655468 in words is "twenty billion, six hundred fifty million, six hundred fifty-five thousand, four hundred sixty-eight".