33020869 has 8 divisors (see below), whose sum is σ = 38162880. Its totient is φ = 27985056.

The previous prime is 33020863. The next prime is 33020881. The reversal of 33020869 is 96802033.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33020869 is a prime.

It is a super-2 number, since 2×33020869² = 2180755579030322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33020869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33020863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25879 + ... + 27124.

It is an arithmetic number, because the mean of its divisors is an integer number (4770360).

Almost surely, 2^33020869 is an apocalyptic number.

It is an amenable number.

33020869 is a deficient number, since it is larger than the sum of its proper divisors (5142011).

33020869 is an equidigital number, since it uses as much as digits as its factorization.

33020869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53099.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 33020869 is about 5746.3787727577. The cubic root of 33020869 is about 320.8210329273.

The spelling of 33020869 in words is "thirty-three million, twenty thousand, eight hundred sixty-nine".