20186668702 has 8 divisors (see below), whose sum is σ = 30483225000. Its totient is φ = 10025593704.

The previous prime is 20186668699. The next prime is 20186668729. The reversal of 20186668702 is 20786668102.

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

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, 33869952 + ... + 33870547.

It is an arithmetic number, because the mean of its divisors is an integer number (3810403125).

Almost surely, 2^20186668702 is an apocalyptic number.

20186668702 is a deficient number, since it is larger than the sum of its proper divisors (10296556298).

20186668702 is a wasteful number, since it uses less digits than its factorization.

20186668702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67740650.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 20186668702 in words is "twenty billion, one hundred eighty-six million, six hundred sixty-eight thousand, seven hundred two".