20133332 has 12 divisors (see below), whose sum is σ = 35392896. Its totient is φ = 10021080.

The previous prime is 20133329. The next prime is 20133341. The reversal of 20133332 is 23333102.

It is a self number, because there is not a number n which added to its sum of digits gives 20133332.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10394 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (2949408).

Almost surely, 2^20133332 is an apocalyptic number.

It is an amenable number.

20133332 is a deficient number, since it is larger than the sum of its proper divisors (15259564).

20133332 is a wasteful number, since it uses less digits than its factorization.

20133332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22798 (or 22796 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 20133332 is about 4487.0181635469. The cubic root of 20133332 is about 272.0436240585.

Adding to 20133332 its reverse (23333102), we get a palindrome (43466434).

It can be divided in two parts, 201 and 33332, that added together give a palindrome (33533).

The spelling of 20133332 in words is "twenty million, one hundred thirty-three thousand, three hundred thirty-two".