20368268 has 12 divisors (see below), whose sum is σ = 36176952. Its totient is φ = 10032000.

The previous prime is 20368259. The next prime is 20368277. The reversal of 20368268 is 86286302.

It is an interprime number because it is at equal distance from previous prime (20368259) and next prime (20368277).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37733 + ... + 38268.

It is an arithmetic number, because the mean of its divisors is an integer number (3014746).

Almost surely, 2^20368268 is an apocalyptic number.

It is an amenable number.

20368268 is a deficient number, since it is larger than the sum of its proper divisors (15808684).

20368268 is a wasteful number, since it uses less digits than its factorization.

20368268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76072 (or 76070 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 20368268 is about 4513.1217577194. The cubic root of 20368268 is about 273.0976943310.

The spelling of 20368268 in words is "twenty million, three hundred sixty-eight thousand, two hundred sixty-eight".