20186701668700 has 36 divisors (see below), whose sum is σ = 50063020140112. Its totient is φ = 6921154857600.

The previous prime is 20186701668677. The next prime is 20186701668709. The reversal of 20186701668700 is 786610768102.

It is a super-2 number, since 2×20186701668700² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20186701668709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14419071921 + ... + 14419073320.

Almost surely, 2^{20186701668700} is an apocalyptic number.

20186701668700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20186701668700 is an abundant number, since it is smaller than the sum of its proper divisors (29876318471412).

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

20186701668700 is a wasteful number, since it uses less digits than its factorization.

20186701668700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28838145262 (or 28838145255 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 20186701668700 in words is "twenty trillion, one hundred eighty-six billion, seven hundred one million, six hundred sixty-eight thousand, seven hundred".