20325033 has 16 divisors (see below), whose sum is σ = 30284800. Its totient is φ = 13471920.

The previous prime is 20324999. The next prime is 20325049. The reversal of 20325033 is 33052302.

It is not a de Polignac number, because 20325033 - 2¹⁰ = 20324009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20324997 and 20325015.

It is not an unprimeable number, because it can be changed into a prime (20325073) 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 15 ways as a sum of consecutive naturals, for example, 2808 + ... + 6966.

It is an arithmetic number, because the mean of its divisors is an integer number (1892800).

Almost surely, 2^20325033 is an apocalyptic number.

It is an amenable number.

20325033 is a deficient number, since it is larger than the sum of its proper divisors (9959767).

20325033 is a wasteful number, since it uses less digits than its factorization.

20325033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 20325033 is about 4508.3292914338. The cubic root of 20325033 is about 272.9043258513.

Adding to 20325033 its reverse (33052302), we get a palindrome (53377335).

The spelling of 20325033 in words is "twenty million, three hundred twenty-five thousand, thirty-three".