20212033230331 has 4 divisors (see below), whose sum is σ = 21275824453000. Its totient is φ = 19148242007664.

The previous prime is 20212033230329. The next prime is 20212033230353. The reversal of 20212033230331 is 13303233021202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20212033230331 - 2¹ = 20212033230329 is a prime.

It is a super-2 number, since 2×20212033230331² (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 = 20212033230296 and 20212033230305.

It is not an unprimeable number, because it can be changed into a prime (20212033230391) 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, 531895611306 + ... + 531895611343.

It is an arithmetic number, because the mean of its divisors is an integer number (5318956113250).

Almost surely, 2^{20212033230331} is an apocalyptic number.

20212033230331 is a deficient number, since it is larger than the sum of its proper divisors (1063791222669).

20212033230331 is a wasteful number, since it uses less digits than its factorization.

20212033230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063791222668.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20212033230331 its reverse (13303233021202), we get a palindrome (33515266251533).

The spelling of 20212033230331 in words is "twenty trillion, two hundred twelve billion, thirty-three million, two hundred thirty thousand, three hundred thirty-one".