33042020221 has 8 divisors (see below), whose sum is σ = 37763659584. Its totient is φ = 28320718560.

The previous prime is 33042020183. The next prime is 33042020269. The reversal of 33042020221 is 12202024033.

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

It is a cyclic number.

It is not a de Polignac number, because 33042020221 - 2³¹ = 30894536573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33042020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180801 + ... + 314281.

It is an arithmetic number, because the mean of its divisors is an integer number (4720457448).

Almost surely, 2^33042020221 is an apocalyptic number.

It is an amenable number.

33042020221 is a deficient number, since it is larger than the sum of its proper divisors (4721639363).

33042020221 is a wasteful number, since it uses less digits than its factorization.

33042020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168851.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 33042020221 its reverse (12202024033), we get a palindrome (45244044254).

The spelling of 33042020221 in words is "thirty-three billion, forty-two million, twenty thousand, two hundred twenty-one".