20982313584 has 60 divisors (see below), whose sum is σ = 58973453136. Its totient is φ = 6964075776.

The previous prime is 20982313559. The next prime is 20982313603. The reversal of 20982313584 is 48531328902.

20982313584 is a `hidden beast` number, since 209 + 82 + 313 + 58 + 4 = 666.

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, 279132 + ... + 346235.

Almost surely, 2^20982313584 is an apocalyptic number.

20982313584 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20982313584 is an abundant number, since it is smaller than the sum of its proper divisors (37991139552).

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

20982313584 is a wasteful number, since it uses less digits than its factorization.

20982313584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625614 (or 625605 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 20982313584 in words is "twenty billion, nine hundred eighty-two million, three hundred thirteen thousand, five hundred eighty-four".