20330052 has 12 divisors (see below), whose sum is σ = 47436816. Its totient is φ = 6776680.

The previous prime is 20330047. The next prime is 20330059. The reversal of 20330052 is 25003302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20330052² = 826622028645408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20330059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847074 + ... + 847097.

It is an arithmetic number, because the mean of its divisors is an integer number (3953068).

Almost surely, 2^20330052 is an apocalyptic number.

It is an amenable number.

20330052 is an abundant number, since it is smaller than the sum of its proper divisors (27106764).

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

20330052 is a wasteful number, since it uses less digits than its factorization.

20330052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694178 (or 1694176 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 20330052 is about 4508.8858934331. The cubic root of 20330052 is about 272.9267873825.

Adding to 20330052 its reverse (25003302), we get a palindrome (45333354).

The spelling of 20330052 in words is "twenty million, three hundred thirty thousand, fifty-two".