20418716706 has 8 divisors (see below), whose sum is σ = 40837433424. Its totient is φ = 6806238900.

The previous prime is 20418716653. The next prime is 20418716767. The reversal of 20418716706 is 60761781402.

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

20418716706 is an admirable 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, 1701559720 + ... + 1701559731.

It is an arithmetic number, because the mean of its divisors is an integer number (5104679178).

Almost surely, 2^20418716706 is an apocalyptic number.

20418716706 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.

20418716706 is a wasteful number, since it uses less digits than its factorization.

20418716706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403119456.

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

The spelling of 20418716706 in words is "twenty billion, four hundred eighteen million, seven hundred sixteen thousand, seven hundred six".