20463382 has 4 divisors (see below), whose sum is σ = 30695076. Its totient is φ = 10231690.

The previous prime is 20463371. The next prime is 20463389. The reversal of 20463382 is 28336402.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20463382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20463389) by changing a digit.

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 as a sum of consecutive naturals, namely, 5115844 + ... + 5115847.

It is an arithmetic number, because the mean of its divisors is an integer number (7673769).

Almost surely, 2^20463382 is an apocalyptic number.

20463382 is a deficient number, since it is larger than the sum of its proper divisors (10231694).

20463382 is a wasteful number, since it uses less digits than its factorization.

20463382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10231693.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20463382 is about 4523.6469800372. The cubic root of 20463382 is about 273.5221304535.

Adding to 20463382 its reverse (28336402), we get a palindrome (48799784).

The spelling of 20463382 in words is "twenty million, four hundred sixty-three thousand, three hundred eighty-two".