20118694 has 8 divisors (see below), whose sum is σ = 30747600. Its totient is φ = 9869496.

The previous prime is 20118677. The next prime is 20118733. The reversal of 20118694 is 49681102.

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, 94794 + ... + 95005.

It is an arithmetic number, because the mean of its divisors is an integer number (3843450).

Almost surely, 2^20118694 is an apocalyptic number.

20118694 is a deficient number, since it is larger than the sum of its proper divisors (10628906).

20118694 is a wasteful number, since it uses less digits than its factorization.

20118694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189854.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 20118694 is about 4485.3867168841. The cubic root of 20118694 is about 271.9776780269.

Adding to 20118694 its reverse (49681102), we get a palindrome (69799796).

The spelling of 20118694 in words is "twenty million, one hundred eighteen thousand, six hundred ninety-four".