20033212003 has 4 divisors (see below), whose sum is σ = 22895099440. Its totient is φ = 17171324568.

The previous prime is 20033211973. The next prime is 20033212013. The reversal of 20033212003 is 30021233002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30021233002 = 2 ⋅15010616501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033212003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20033212013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430943708 + ... + 1430943721.

It is an arithmetic number, because the mean of its divisors is an integer number (5723774860).

Almost surely, 2^20033212003 is an apocalyptic number.

20033212003 is a deficient number, since it is larger than the sum of its proper divisors (2861887437).

20033212003 is an equidigital number, since it uses as much as digits as its factorization.

20033212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861887436.

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

Adding to 20033212003 its reverse (30021233002), we get a palindrome (50054445005).

The spelling of 20033212003 in words is "twenty billion, thirty-three million, two hundred twelve thousand, three".