20116717064412 has 24 divisors (see below), whose sum is σ = 46940054480256. Its totient is φ = 6705422641008.

The previous prime is 20116717064387. The next prime is 20116717064429. The reversal of 20116717064412 is 21446071761102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18153688 + ... + 19229919.

It is an arithmetic number, because the mean of its divisors is an integer number (1955835603344).

Almost surely, 2^{20116717064412} is an apocalyptic number.

It is an amenable number.

20116717064412 is an abundant number, since it is smaller than the sum of its proper divisors (26823337415844).

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

20116717064412 is a wasteful number, since it uses less digits than its factorization.

20116717064412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37428457 (or 37428455 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 20116717064412 in words is "twenty trillion, one hundred sixteen billion, seven hundred seventeen million, sixty-four thousand, four hundred twelve".