20367668 has 12 divisors (see below), whose sum is σ = 35703360. Its totient is φ = 10166712.

The previous prime is 20367647. The next prime is 20367671. The reversal of 20367668 is 86676302.

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, 1388 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (2975280).

Almost surely, 2^20367668 is an apocalyptic number.

It is an amenable number.

20367668 is a deficient number, since it is larger than the sum of its proper divisors (15335692).

20367668 is a wasteful number, since it uses less digits than its factorization.

20367668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8566 (or 8564 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 20367668 is about 4513.0552843944. The cubic root of 20367668 is about 273.0950127051.

The spelling of 20367668 in words is "twenty million, three hundred sixty-seven thousand, six hundred sixty-eight".