20883108 has 12 divisors (see below), whose sum is σ = 48727280. Its totient is φ = 6961032.

The previous prime is 20883073. The next prime is 20883143. The reversal of 20883108 is 80138802.

It is an interprime number because it is at equal distance from previous prime (20883073) and next prime (20883143).

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

It is a super-3 number, since 3×20883108³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 in 3 ways as a sum of consecutive naturals, for example, 870118 + ... + 870141.

Almost surely, 2^20883108 is an apocalyptic number.

It is an amenable number.

20883108 is an abundant number, since it is smaller than the sum of its proper divisors (27844172).

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

20883108 is a wasteful number, since it uses less digits than its factorization.

20883108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740266 (or 1740264 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 20883108 is about 4569.8039345250. The cubic root of 20883108 is about 275.3795662243.

The spelling of 20883108 in words is "twenty million, eight hundred eighty-three thousand, one hundred eight".