133020322 has 4 divisors (see below), whose sum is σ = 199530486. Its totient is φ = 66510160.

The previous prime is 133020317. The next prime is 133020331. The reversal of 133020322 is 223020331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129527161 + 3493161 = 11381^2 + 1869^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133020296 and 133020305.

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 as a sum of consecutive naturals, namely, 33255079 + ... + 33255082.

Almost surely, 2^133020322 is an apocalyptic number.

133020322 is a deficient number, since it is larger than the sum of its proper divisors (66510164).

133020322 is an equidigital number, since it uses as much as digits as its factorization.

133020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66510163.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 133020322 is about 11533.4436314572. The cubic root of 133020322 is about 510.4728691251.

Adding to 133020322 its reverse (223020331), we get a palindrome (356040653).

Subtracting 133020322 from its reverse (223020331), we obtain a palindrome (90000009).

The spelling of 133020322 in words is "one hundred thirty-three million, twenty thousand, three hundred twenty-two".