20450968 has 16 divisors (see below), whose sum is σ = 38396160. Its totient is φ = 10212000.

The previous prime is 20450939. The next prime is 20450981. The reversal of 20450968 is 86905402.

It is a happy number.

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, 8098 + ... + 10318.

It is an arithmetic number, because the mean of its divisors is an integer number (2399760).

Almost surely, 2^20450968 is an apocalyptic number.

It is an amenable number.

20450968 is a deficient number, since it is larger than the sum of its proper divisors (17945192).

20450968 is a wasteful number, since it uses less digits than its factorization.

20450968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378 (or 3374 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 20450968 is about 4522.2746488908. The cubic root of 20450968 is about 273.4668090249.

The spelling of 20450968 in words is "twenty million, four hundred fifty thousand, nine hundred sixty-eight".