20803082 has 8 divisors (see below), whose sum is σ = 31414500. Its totient is φ = 10331584.

The previous prime is 20803067. The next prime is 20803091. The reversal of 20803082 is 28030802.

It can be written as a sum of positive squares in 2 ways, for example, as 20802721 + 361 = 4561^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 34607 + ... + 35202.

Almost surely, 2^20803082 is an apocalyptic number.

20803082 is a deficient number, since it is larger than the sum of its proper divisors (10611418).

20803082 is a wasteful number, since it uses less digits than its factorization.

20803082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69960.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20803082 is about 4561.0395744830. The cubic root of 20803082 is about 275.0273559563.

Adding to 20803082 its reverse (28030802), we get a palindrome (48833884).

The spelling of 20803082 in words is "twenty million, eight hundred three thousand, eighty-two".