33205042 has 16 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 15288912.

The previous prime is 33205013. The next prime is 33205049. The reversal of 33205042 is 24050233.

It is a super-2 number, since 2×33205042² = 2205149628443528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33205049) 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, 11809 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (3360420).

Almost surely, 2^33205042 is an apocalyptic number.

33205042 is a deficient number, since it is larger than the sum of its proper divisors (20561678).

33205042 is a wasteful number, since it uses less digits than its factorization.

33205042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 33205042 is about 5762.3816256822. The cubic root of 33205042 is about 321.4163843092.

Adding to 33205042 its reverse (24050233), we get a palindrome (57255275).

The spelling of 33205042 in words is "thirty-three million, two hundred five thousand, forty-two".