20483188 has 24 divisors (see below), whose sum is σ = 40368384. Its totient is φ = 9009600.

The previous prime is 20483161. The next prime is 20483189. The reversal of 20483188 is 88138402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20483189) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6145 + ... + 8872.

It is an arithmetic number, because the mean of its divisors is an integer number (1682016).

Almost surely, 2^20483188 is an apocalyptic number.

It is an amenable number.

20483188 is a deficient number, since it is larger than the sum of its proper divisors (19885196).

20483188 is a wasteful number, since it uses less digits than its factorization.

20483188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15063 (or 15061 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 20483188 is about 4525.8356134531. The cubic root of 20483188 is about 273.6103470945.

The spelling of 20483188 in words is "twenty million, four hundred eighty-three thousand, one hundred eighty-eight".