20333231303213 has 8 divisors (see below), whose sum is σ = 20519741669760. Its totient is φ = 20147442447600.

The previous prime is 20333231303197. The next prime is 20333231303227. The reversal of 20333231303213 is 31230313233302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20333231303213 - 2⁴ = 20333231303197 is a prime.

It is a super-2 number, since 2×20333231303213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333231333213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180321113 + ... + 180433838.

It is an arithmetic number, because the mean of its divisors is an integer number (2564967708720).

Almost surely, 2^{20333231303213} is an apocalyptic number.

It is an amenable number.

20333231303213 is a deficient number, since it is larger than the sum of its proper divisors (186510366547).

20333231303213 is a wasteful number, since it uses less digits than its factorization.

20333231303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360755467.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 20333231303213 its reverse (31230313233302), we get a palindrome (51563544536515).

The spelling of 20333231303213 in words is "twenty trillion, three hundred thirty-three billion, two hundred thirty-one million, three hundred three thousand, two hundred thirteen".