20116883556 has 243 divisors, whose sum is σ = 65232132147. Its totient is φ = 5208144480.

The previous prime is 20116883539. The next prime is 20116883557. The reversal of 20116883556 is 65538861102.

The square root of 20116883556 is 141834.

It is a perfect power (a square), and thus also a powerful number.

20116883556 is a `hidden beast` number, since 2 + 0 + 1 + 16 + 8 + 83 + 556 = 666.

It is not an unprimeable number, because it can be changed into a prime (20116883557) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 65527155 + ... + 65527461.

Almost surely, 2^20116883556 is an apocalyptic number.

20116883556 is the 141834-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20116883556

20116883556 is an abundant number, since it is smaller than the sum of its proper divisors (45115248591).

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

20116883556 is a wasteful number, since it uses less digits than its factorization.

20116883556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 20116883556 in words is "twenty billion, one hundred sixteen million, eight hundred eighty-three thousand, five hundred fifty-six".