20812358982 has 8 divisors (see below), whose sum is σ = 41624717976. Its totient is φ = 6937452992.

The previous prime is 20812358977. The next prime is 20812358999. The reversal of 20812358982 is 28985321802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

20812358982 is an admirable number.

It is a congruent number.

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, 1734363243 + ... + 1734363254.

It is an arithmetic number, because the mean of its divisors is an integer number (5203089747).

Almost surely, 2^20812358982 is an apocalyptic number.

20812358982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20812358982 is a wasteful number, since it uses less digits than its factorization.

20812358982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468726502.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 20812358982 in words is "twenty billion, eight hundred twelve million, three hundred fifty-eight thousand, nine hundred eighty-two".