20022008 has 16 divisors (see below), whose sum is σ = 37599000. Its totient is φ = 9995616.

The previous prime is 20021999. The next prime is 20022011. The reversal of 20022008 is 80022002.

It is a junction number, because it is equal to n+sod(n) for n = 20021983 and 20022001.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 5123 + ... + 8141.

Almost surely, 2^20022008 is an apocalyptic number.

It is an amenable number.

20022008 is a deficient number, since it is larger than the sum of its proper divisors (17576992).

20022008 is a wasteful number, since it uses less digits than its factorization.

20022008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854 (or 3850 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 20022008 is about 4474.5958476716. The cubic root of 20022008 is about 271.5412899996.

The spelling of 20022008 in words is "twenty million, twenty-two thousand, eight".