20201686336116 has 36 divisors (see below), whose sum is σ = 51930888609600. Its totient is φ = 6619761623568.

The previous prime is 20201686336109. The next prime is 20201686336127. The reversal of 20201686336116 is 61163368610202.

20201686336116 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 1 + 6 + 8 + 633 + 6 + 1 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20201686336116² (a number of 27 digits) contains 22 as substring.

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, 4755573756 + ... + 4755578003.

It is an arithmetic number, because the mean of its divisors is an integer number (1442524683600).

Almost surely, 2^{20201686336116} is an apocalyptic number.

It is an amenable number.

20201686336116 is an abundant number, since it is smaller than the sum of its proper divisors (31729202273484).

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

20201686336116 is a wasteful number, since it uses less digits than its factorization.

20201686336116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511151828 (or 9511151823 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 20201686336116 in words is "twenty trillion, two hundred one billion, six hundred eighty-six million, three hundred thirty-six thousand, one hundred sixteen".