20911096 has 16 divisors (see below), whose sum is σ = 41272200. Its totient is φ = 9905184.

The previous prime is 20911087. The next prime is 20911123. The reversal of 20911096 is 69011902.

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, 68635 + ... + 68938.

Almost surely, 2^20911096 is an apocalyptic number.

It is an amenable number.

20911096 is a deficient number, since it is larger than the sum of its proper divisors (20361104).

20911096 is a wasteful number, since it uses less digits than its factorization.

20911096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137598 (or 137594 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 20911096 is about 4572.8651849798. The cubic root of 20911096 is about 275.5025345533.

Adding to 20911096 its reverse (69011902), we get a palindrome (89922998).

The spelling of 20911096 in words is "twenty million, nine hundred eleven thousand, ninety-six".