33020434 has 4 divisors (see below), whose sum is σ = 49530654. Its totient is φ = 16510216.

The previous prime is 33020419. The next prime is 33020437. The reversal of 33020434 is 43402033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43402033 = 193 ⋅224881.

It can be written as a sum of positive squares in only one way, i.e., 17614809 + 15405625 = 4197^2 + 3925^2 .

It is not an unprimeable number, because it can be changed into a prime (33020437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8255107 + ... + 8255110.

Almost surely, 2^33020434 is an apocalyptic number.

33020434 is a deficient number, since it is larger than the sum of its proper divisors (16510220).

33020434 is a wasteful number, since it uses less digits than its factorization.

33020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16510219.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 33020434 is about 5746.3409227090. The cubic root of 33020434 is about 320.8196241439.

Adding to 33020434 its reverse (43402033), we get a palindrome (76422467).

The spelling of 33020434 in words is "thirty-three million, twenty thousand, four hundred thirty-four".