20303108 has 12 divisors (see below), whose sum is σ = 40606272. Its totient is φ = 8701320.

The previous prime is 20303071. The next prime is 20303111. The reversal of 20303108 is 80130302.

20303108 is an admirable 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, 362528 + ... + 362583.

It is an arithmetic number, because the mean of its divisors is an integer number (3383856).

Almost surely, 2^20303108 is an apocalyptic number.

20303108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20303108 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.

20303108 is a wasteful number, since it uses less digits than its factorization.

20303108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725122 (or 725120 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20303108 is about 4505.8970250107. The cubic root of 20303108 is about 272.8061615152.

The spelling of 20303108 in words is "twenty million, three hundred three thousand, one hundred eight".