20020108 has 12 divisors (see below), whose sum is σ = 35982352. Its totient is φ = 9739440.

The previous prime is 20020103. The next prime is 20020109. The reversal of 20020108 is 80102002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020103) by changing a digit.

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, 67488 + ... + 67783.

Almost surely, 2^20020108 is an apocalyptic number.

It is an amenable number.

20020108 is a deficient number, since it is larger than the sum of its proper divisors (15962244).

20020108 is a wasteful number, since it uses less digits than its factorization.

20020108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135312 (or 135310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20020108 is about 4474.3835329574. The cubic root of 20020108 is about 271.5327003721.

It can be divided in two parts, 20020 and 108, that multiplied together give a triangular number (2162160 = T₂₀₇₉).

The spelling of 20020108 in words is "twenty million, twenty thousand, one hundred eight".