20033672 has 16 divisors (see below), whose sum is σ = 37616400. Its totient is φ = 10002640.

The previous prime is 20033669. The next prime is 20033683. The reversal of 20033672 is 27633002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6479 + ... + 9057.

It is an arithmetic number, because the mean of its divisors is an integer number (2351025).

Almost surely, 2^20033672 is an apocalyptic number.

It is an amenable number.

20033672 is a deficient number, since it is larger than the sum of its proper divisors (17582728).

20033672 is a wasteful number, since it uses less digits than its factorization.

20033672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 20033672 is about 4475.8990158403. The cubic root of 20033672 is about 271.5940093667.

Adding to 20033672 its reverse (27633002), we get a palindrome (47666674).

The spelling of 20033672 in words is "twenty million, thirty-three thousand, six hundred seventy-two".