20212023331 has 2 divisors, whose sum is σ = 20212023332. Its totient is φ = 20212023330.

The previous prime is 20212023323. The next prime is 20212023341. The reversal of 20212023331 is 13332021202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20212023331 - 2³ = 20212023323 is a prime.

It is a super-2 number, since 2×20212023331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20212023299 and 20212023308.

It is not a weakly prime, because it can be changed into another prime (20212023341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106011665 + 10106011666.

It is an arithmetic number, because the mean of its divisors is an integer number (10106011666).

Almost surely, 2^20212023331 is an apocalyptic number.

20212023331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212023331 is an equidigital number, since it uses as much as digits as its factorization.

20212023331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20212023331 its reverse (13332021202), we get a palindrome (33544044533).

The spelling of 20212023331 in words is "twenty billion, two hundred twelve million, twenty-three thousand, three hundred thirty-one".