20918096 has 20 divisors (see below), whose sum is σ = 41217600. Its totient is φ = 10281312.

The previous prime is 20918083. The next prime is 20918099. The reversal of 20918096 is 69081902.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20918099) 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, 10136 + ... + 12023.

It is an arithmetic number, because the mean of its divisors is an integer number (2060880).

Almost surely, 2^20918096 is an apocalyptic number.

It is an amenable number.

20918096 is a deficient number, since it is larger than the sum of its proper divisors (20299504).

20918096 is a wasteful number, since it uses less digits than its factorization.

20918096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226 (or 22220 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 20918096 is about 4573.6305054081. The cubic root of 20918096 is about 275.5332726615.

Adding to 20918096 its reverse (69081902), we get a palindrome (89999998).

The spelling of 20918096 in words is "twenty million, nine hundred eighteen thousand, ninety-six".