20967118 has 8 divisors (see below), whose sum is σ = 32044248. Its totient is φ = 10285704.

The previous prime is 20967109. The next prime is 20967139. The reversal of 20967118 is 81176902.

It is a happy number.

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, 98796 + ... + 99007.

It is an arithmetic number, because the mean of its divisors is an integer number (4005531).

Almost surely, 2^20967118 is an apocalyptic number.

20967118 is a deficient number, since it is larger than the sum of its proper divisors (11077130).

20967118 is a wasteful number, since it uses less digits than its factorization.

20967118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197858.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 20967118 is about 4578.9865691002. The cubic root of 20967118 is about 275.7483440897.

The spelling of 20967118 in words is "twenty million, nine hundred sixty-seven thousand, one hundred eighteen".