19962767682 has 320 divisors, whose sum is σ = 54534332160. Its totient is φ = 5377881600.

The previous prime is 19962767681. The next prime is 19962767711. The reversal of 19962767682 is 28676726991.

It is not an unprimeable number, because it can be changed into a prime (19962767681) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 87173544 + ... + 87173772.

It is an arithmetic number, because the mean of its divisors is an integer number (170419788).

Almost surely, 2^19962767682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19962767682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27267166080).

19962767682 is an abundant number, since it is smaller than the sum of its proper divisors (34571564478).

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

19962767682 is a wasteful number, since it uses less digits than its factorization.

19962767682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 382 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The spelling of 19962767682 in words is "nineteen billion, nine hundred sixty-two million, seven hundred sixty-seven thousand, six hundred eighty-two".