20632520056984 has 64 divisors (see below), whose sum is σ = 43314043939200. Its totient is φ = 9134638867200.

The previous prime is 20632520056849. The next prime is 20632520057011. The reversal of 20632520056984 is 48965002523602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19134862 + ... + 20184349.

It is an arithmetic number, because the mean of its divisors is an integer number (676781936550).

Almost surely, 2^{20632520056984} is an apocalyptic number.

It is an amenable number.

20632520056984 is an abundant number, since it is smaller than the sum of its proper divisors (22681523882216).

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

20632520056984 is a wasteful number, since it uses less digits than its factorization.

20632520056984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39319384 (or 39319380 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 20632520056984 in words is "twenty trillion, six hundred thirty-two billion, five hundred twenty million, fifty-six thousand, nine hundred eighty-four".