20002108 has 12 divisors (see below), whose sum is σ = 40004272. Its totient is φ = 8572320.

The previous prime is 20002097. The next prime is 20002123. The reversal of 20002108 is 80120002.

20002108 is an admirable number.

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, 357153 + ... + 357208.

Almost surely, 2^20002108 is an apocalyptic number.

20002108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20002108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20002108 is a wasteful number, since it uses less digits than its factorization.

20002108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714372 (or 714370 counting only the distinct ones).

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

The square root of 20002108 is about 4472.3716303545. The cubic root of 20002108 is about 271.4512979783.

The spelling of 20002108 in words is "twenty million, two thousand, one hundred eight".