20443108 has 12 divisors (see below), whose sum is σ = 40886272. Its totient is φ = 8761320.

The previous prime is 20443097. The next prime is 20443109. The reversal of 20443108 is 80134402.

20443108 is an admirable number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20443109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365028 + ... + 365083.

Almost surely, 2^20443108 is an apocalyptic number.

20443108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20443108 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.

20443108 is a wasteful number, since it uses less digits than its factorization.

20443108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730122 (or 730120 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20443108 is about 4521.4055336809. The cubic root of 20443108 is about 273.4317703485.

The spelling of 20443108 in words is "twenty million, four hundred forty-three thousand, one hundred eight".