20033082 has 20 divisors (see below), whose sum is σ = 44889306. Its totient is φ = 6677640.

The previous prime is 20033081. The next prime is 20033093. The reversal of 20033082 is 28033002.

It can be written as a sum of positive squares in only one way, i.e., 19527561 + 505521 = 4419^2 + 711^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20033081) 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 in 9 ways as a sum of consecutive naturals, for example, 61669 + ... + 61992.

Almost surely, 2^20033082 is an apocalyptic number.

20033082 is an abundant number, since it is smaller than the sum of its proper divisors (24856224).

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

20033082 is a wasteful number, since it uses less digits than its factorization.

20033082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123675 (or 123666 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20033082 is about 4475.8331068082. The cubic root of 20033082 is about 271.5913431549.

Adding to 20033082 its reverse (28033002), we get a palindrome (48066084).

The spelling of 20033082 in words is "twenty million, thirty-three thousand, eighty-two".