20086246656 has 432 divisors, whose sum is σ = 69685814016. Its totient is φ = 5440241664.

The previous prime is 20086246619. The next prime is 20086246669. The reversal of 20086246656 is 65664268002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64173156 + ... + 64173468.

Almost surely, 2^20086246656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20086246656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34842907008).

20086246656 is an abundant number, since it is smaller than the sum of its proper divisors (49599567360).

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

20086246656 is a wasteful number, since it uses less digits than its factorization.

20086246656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 20086246656 in words is "twenty billion, eighty-six million, two hundred forty-six thousand, six hundred fifty-six".