20133304 has 32 divisors (see below), whose sum is σ = 40182480. Its totient is φ = 9424384.

The previous prime is 20133301. The next prime is 20133329. The reversal of 20133304 is 40333102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42879 + ... + 43345.

Almost surely, 2^20133304 is an apocalyptic number.

It is an amenable number.

20133304 is a deficient number, since it is larger than the sum of its proper divisors (20049176).

20133304 is a wasteful number, since it uses less digits than its factorization.

20133304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 803 counting only the distinct ones).

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

The square root of 20133304 is about 4487.0150434337. The cubic root of 20133304 is about 272.0434979454.

Adding to 20133304 its reverse (40333102), we get a palindrome (60466406).

The spelling of 20133304 in words is "twenty million, one hundred thirty-three thousand, three hundred four".