20675118 has 8 divisors (see below), whose sum is σ = 41350248. Its totient is φ = 6891704.

The previous prime is 20675117. The next prime is 20675143. The reversal of 20675118 is 81157602.

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

20675118 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20675113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722921 + ... + 1722932.

It is an arithmetic number, because the mean of its divisors is an integer number (5168781).

Almost surely, 2^20675118 is an apocalyptic number.

20675118 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.

20675118 is a wasteful number, since it uses less digits than its factorization.

20675118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445858.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 20675118 is about 4546.9899933912. The cubic root of 20675118 is about 274.4622792817.

The spelling of 20675118 in words is "twenty million, six hundred seventy-five thousand, one hundred eighteen".