20061988416 has 224 divisors, whose sum is σ = 62021923200. Its totient is φ = 6349916160.

The previous prime is 20061988409. The next prime is 20061988469. The reversal of 20061988416 is 61488916002.

20061988416 is a `hidden beast` number, since 20 + 0 + 619 + 8 + 8 + 4 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3053551 + ... + 3060113.

Almost surely, 2^20061988416 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 20061988416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31010961600).

20061988416 is an abundant number, since it is smaller than the sum of its proper divisors (41959934784).

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

20061988416 is a wasteful number, since it uses less digits than its factorization.

20061988416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6674 (or 6658 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 20061988416 in words is "twenty billion, sixty-one million, nine hundred eighty-eight thousand, four hundred sixteen".