20030968 has 8 divisors (see below), whose sum is σ = 37558080. Its totient is φ = 10015480.

The previous prime is 20030957. The next prime is 20030987. The reversal of 20030968 is 86903002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1251928 + ... + 1251943.

It is an arithmetic number, because the mean of its divisors is an integer number (4694760).

Almost surely, 2^20030968 is an apocalyptic number.

It is an amenable number.

20030968 is a deficient number, since it is larger than the sum of its proper divisors (17527112).

20030968 is a wasteful number, since it uses less digits than its factorization.

20030968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503877 (or 2503873 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20030968 is about 4475.5969434255. The cubic root of 20030968 is about 271.5817895525.

The spelling of 20030968 in words is "twenty million, thirty thousand, nine hundred sixty-eight".