20116227037056 has 256 divisors, whose sum is σ = 59836946745600. Its totient is φ = 5950473338880.

The previous prime is 20116227037001. The next prime is 20116227037069. The reversal of 20116227037056 is 65073072261102.

It is a junction number, because it is equal to n+sod(n) for n = 20116227036999 and 20116227037017.

It is a congruent number.

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, 25786426 + ... + 26555078.

It is an arithmetic number, because the mean of its divisors is an integer number (233738073225).

Almost surely, 2^{20116227037056} 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 20116227037056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29918473372800).

20116227037056 is an abundant number, since it is smaller than the sum of its proper divisors (39720719708544).

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

20116227037056 is a wasteful number, since it uses less digits than its factorization.

20116227037056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768917 (or 768905 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

Adding to 20116227037056 its reverse (65073072261102), we get a palindrome (85189299298158).

The spelling of 20116227037056 in words is "twenty trillion, one hundred sixteen billion, two hundred twenty-seven million, thirty-seven thousand, fifty-six".