20010108 has 12 divisors (see below), whose sum is σ = 46690280. Its totient is φ = 6670032.

The previous prime is 20010079. The next prime is 20010127. The reversal of 20010108 is 80101002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1667509 = 20010108 / (2 + 0 + 0 + 1 + 0 + 1 + 0 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 20010093 and 20010102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833743 + ... + 833766.

Almost surely, 2^20010108 is an apocalyptic number.

It is an amenable number.

20010108 is an abundant number, since it is smaller than the sum of its proper divisors (26680172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010108 is a wasteful number, since it uses less digits than its factorization.

20010108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667516 (or 1667514 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 20010108 is about 4473.2659210022. The cubic root of 20010108 is about 271.4874828466.

The spelling of 20010108 in words is "twenty million, ten thousand, one hundred eight".