20116361663712 has 72 divisors (see below), whose sum is σ = 58059722991816. Its totient is φ = 6605372480256.

The previous prime is 20116361663701. The next prime is 20116361663729. The reversal of 20116361663712 is 21736616361102.

20116361663712 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 6 + 3 + 6 + 1 + 6 + 637 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521238003 + ... + 521276594.

It is an arithmetic number, because the mean of its divisors is an integer number (806385041553).

Almost surely, 2^{20116361663712} is an apocalyptic number.

It is an amenable number.

20116361663712 is an abundant number, since it is smaller than the sum of its proper divisors (37943361328104).

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

20116361663712 is a wasteful number, since it uses less digits than its factorization.

20116361663712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042514680 (or 1042514669 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 20116361663712 in words is "twenty trillion, one hundred sixteen billion, three hundred sixty-one million, six hundred sixty-three thousand, seven hundred twelve".