20200168686 has 8 divisors (see below), whose sum is σ = 40400337384. Its totient is φ = 6733389560.

The previous prime is 20200168673. The next prime is 20200168697. The reversal of 20200168686 is 68686100202.

It is a sphenic number, since it is the product of 3 distinct primes.

20200168686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683347385 + ... + 1683347396.

It is an arithmetic number, because the mean of its divisors is an integer number (5050042173).

Almost surely, 2^20200168686 is an apocalyptic number.

20200168686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20200168686 is a wasteful number, since it uses less digits than its factorization.

20200168686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366694786.

The product of its (nonzero) digits is 55296, while the sum is 39.

Adding to 20200168686 its reverse (68686100202), we get a palindrome (88886268888).

The spelling of 20200168686 in words is "twenty billion, two hundred million, one hundred sixty-eight thousand, six hundred eighty-six".