33020000 has 120 divisors (see below), whose sum is σ = 88171776. Its totient is φ = 12096000.

The previous prime is 33019997. The next prime is 33020089. The reversal of 33020000 is 2033.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 33020000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 259937 + ... + 260063.

Almost surely, 2^33020000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44085888).

33020000 is an abundant number, since it is smaller than the sum of its proper divisors (55151776).

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

33020000 is a wasteful number, since it uses less digits than its factorization.

33020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 33020000 is about 5746.3031594235. The cubic root of 33020000 is about 320.8182185867.

Adding to 33020000 its reverse (2033), we get a palindrome (33022033).

The spelling of 33020000 in words is "thirty-three million, twenty thousand".