20632754656 has 24 divisors (see below), whose sum is σ = 41077154160. Its totient is φ = 10200461568.

The previous prime is 20632754651. The next prime is 20632754657. The reversal of 20632754656 is 65645723602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20632754651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3619476 + ... + 3625171.

It is an arithmetic number, because the mean of its divisors is an integer number (1711548090).

Almost surely, 2^20632754656 is an apocalyptic number.

It is an amenable number.

20632754656 is a deficient number, since it is larger than the sum of its proper divisors (20444399504).

20632754656 is an equidigital number, since it uses as much as digits as its factorization.

20632754656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244746 (or 7244738 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 20632754656 in words is "twenty billion, six hundred thirty-two million, seven hundred fifty-four thousand, six hundred fifty-six".