33320806 has 4 divisors (see below), whose sum is σ = 49981212. Its totient is φ = 16660402.

The previous prime is 33320803. The next prime is 33320827. The reversal of 33320806 is 60802333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60802333 = 797 ⋅76289.

It is a super-2 number, since 2×33320806² = 2220552224979272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33320803) by changing a digit.

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 as a sum of consecutive naturals, namely, 8330200 + ... + 8330203.

It is an arithmetic number, because the mean of its divisors is an integer number (12495303).

Almost surely, 2^33320806 is an apocalyptic number.

33320806 is a deficient number, since it is larger than the sum of its proper divisors (16660406).

33320806 is a wasteful number, since it uses less digits than its factorization.

33320806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16660405.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 33320806 is about 5772.4176910546. The cubic root of 33320806 is about 321.7894731257.

The spelling of 33320806 in words is "thirty-three million, three hundred twenty thousand, eight hundred six".