20033996 has 24 divisors (see below), whose sum is σ = 35750400. Its totient is φ = 9821952.

The previous prime is 20033933. The next prime is 20034011. The reversal of 20033996 is 69933002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57230 + ... + 57578.

It is an arithmetic number, because the mean of its divisors is an integer number (1489600).

Almost surely, 2^20033996 is an apocalyptic number.

It is an amenable number.

20033996 is a deficient number, since it is larger than the sum of its proper divisors (15716404).

20033996 is a wasteful number, since it uses less digits than its factorization.

20033996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 20033996 is about 4475.9352095400. The cubic root of 20033996 is about 271.5954735014.

Adding to 20033996 its reverse (69933002), we get a palindrome (89966998).

The spelling of 20033996 in words is "twenty million, thirty-three thousand, nine hundred ninety-six".