20382203 has 4 divisors (see below), whose sum is σ = 20397048. Its totient is φ = 20367360.

The previous prime is 20382191. The next prime is 20382217. The reversal of 20382203 is 30228302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20382203 - 2⁶ = 20382139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20382233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5126 + ... + 8187.

It is an arithmetic number, because the mean of its divisors is an integer number (5099262).

Almost surely, 2^20382203 is an apocalyptic number.

20382203 is a deficient number, since it is larger than the sum of its proper divisors (14845).

20382203 is a wasteful number, since it uses less digits than its factorization.

20382203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14844.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20382203 is about 4514.6653253591. The cubic root of 20382203 is about 273.1599602835.

The spelling of 20382203 in words is "twenty million, three hundred eighty-two thousand, two hundred three".