33020733 has 8 divisors (see below), whose sum is σ = 44064000. Its totient is φ = 21995648.

The previous prime is 33020717. The next prime is 33020753. The reversal of 33020733 is 33702033.

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

It is a cyclic number.

It is not a de Polignac number, because 33020733 - 2⁴ = 33020717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^33020733 is an apocalyptic number.

It is an amenable number.

33020733 is a deficient number, since it is larger than the sum of its proper divisors (11043267).

33020733 is a wasteful number, since it uses less digits than its factorization.

33020733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091.

The product of its (nonzero) digits is 1134, while the sum is 21.

The square root of 33020733 is about 5746.3669392060. The cubic root of 33020733 is about 320.8205924814.

Adding to 33020733 its reverse (33702033), we get a palindrome (66722766).

The spelling of 33020733 in words is "thirty-three million, twenty thousand, seven hundred thirty-three".