20880033 has 16 divisors (see below), whose sum is σ = 28377216. Its totient is φ = 13654400.

The previous prime is 20880007. The next prime is 20880043. The reversal of 20880033 is 33008802.

It is a cyclic number.

It is not a de Polignac number, because 20880033 - 2⁵ = 20880001 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20879985 and 20880012.

It is not an unprimeable number, because it can be changed into a prime (20880043) 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 15 ways as a sum of consecutive naturals, for example, 41260 + ... + 41762.

It is an arithmetic number, because the mean of its divisors is an integer number (1773576).

Almost surely, 2^20880033 is an apocalyptic number.

It is an amenable number.

20880033 is a deficient number, since it is larger than the sum of its proper divisors (7497183).

20880033 is a wasteful number, since it uses less digits than its factorization.

20880033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20880033 is about 4569.4674744438. The cubic root of 20880033 is about 275.3660491793.

Adding to 20880033 its reverse (33008802), we get a palindrome (53888835).

The spelling of 20880033 in words is "twenty million, eight hundred eighty thousand, thirty-three".