20382204 has 48 divisors (see below), whose sum is σ = 48940416. Its totient is φ = 6600000.

The previous prime is 20382191. The next prime is 20382217. The reversal of 20382204 is 40228302.

It is an interprime number because it is at equal distance from previous prime (20382191) and next prime (20382217).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 81079 + ... + 81329.

It is an arithmetic number, because the mean of its divisors is an integer number (1019592).

Almost surely, 2^20382204 is an apocalyptic number.

It is an amenable number.

20382204 is an abundant number, since it is smaller than the sum of its proper divisors (28558212).

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

20382204 is a wasteful number, since it uses less digits than its factorization.

20382204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20382204 is about 4514.6654361093. The cubic root of 20382204 is about 273.1599647508.

The spelling of 20382204 in words is "twenty million, three hundred eighty-two thousand, two hundred four".