20330212112231 has 32 divisors (see below), whose sum is σ = 24184721172480. Its totient is φ = 16727388130656.

The previous prime is 20330212112209. The next prime is 20330212112237. The reversal of 20330212112231 is 13221121203302.

It is a de Polignac number, because none of the positive numbers 2^k-20330212112231 is a prime.

It is a super-2 number, since 2×20330212112231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330212112197 and 20330212112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330212112237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62829800 + ... + 63152546.

It is an arithmetic number, because the mean of its divisors is an integer number (755772536640).

Almost surely, 2^{20330212112231} is an apocalyptic number.

20330212112231 is a deficient number, since it is larger than the sum of its proper divisors (3854509060249).

20330212112231 is a wasteful number, since it uses less digits than its factorization.

20330212112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326403.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20330212112231 its reverse (13221121203302), we get a palindrome (33551333315533).

The spelling of 20330212112231 in words is "twenty trillion, three hundred thirty billion, two hundred twelve million, one hundred twelve thousand, two hundred thirty-one".