33020530 has 16 divisors (see below), whose sum is σ = 60445440. Its totient is φ = 12984112.

The previous prime is 33020501. The next prime is 33020587. The reversal of 33020530 is 3502033.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27394 + ... + 28573.

It is an arithmetic number, because the mean of its divisors is an integer number (3777840).

Almost surely, 2^33020530 is an apocalyptic number.

33020530 is a deficient number, since it is larger than the sum of its proper divisors (27424910).

33020530 is a wasteful number, since it uses less digits than its factorization.

33020530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56033.

The product of its (nonzero) digits is 270, while the sum is 16.

The square root of 33020530 is about 5746.3492758446. The cubic root of 33020530 is about 320.8199350489.

Adding to 33020530 its reverse (3502033), we get a palindrome (36522563).

The spelling of 33020530 in words is "thirty-three million, twenty thousand, five hundred thirty".