20186082512 has 20 divisors (see below), whose sum is σ = 40372166016. Its totient is φ = 9767459040.

The previous prime is 20186082463. The next prime is 20186082541. The reversal of 20186082512 is 21528068102.

It is a happy number.

20186082512 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20348378 + ... + 20349369.

Almost surely, 2^20186082512 is an apocalyptic number.

It is an amenable number.

20186082512 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.

20186082512 is a wasteful number, since it uses less digits than its factorization.

20186082512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40697786 (or 40697780 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 20186082512 in words is "twenty billion, one hundred eighty-six million, eighty-two thousand, five hundred twelve".