20321068 has 6 divisors (see below), whose sum is σ = 35561876. Its totient is φ = 10160532.

The previous prime is 20321057. The next prime is 20321071. The reversal of 20321068 is 86012302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540130 + ... + 2540137.

Almost surely, 2^20321068 is an apocalyptic number.

It is an amenable number.

20321068 is a deficient number, since it is larger than the sum of its proper divisors (15240808).

20321068 is a wasteful number, since it uses less digits than its factorization.

20321068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080271 (or 5080269 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20321068 is about 4507.8895283713. The cubic root of 20321068 is about 272.8865786719.

The spelling of 20321068 in words is "twenty million, three hundred twenty-one thousand, sixty-eight".