20023213351 has 2 divisors, whose sum is σ = 20023213352. Its totient is φ = 20023213350.

The previous prime is 20023213321. The next prime is 20023213361. The reversal of 20023213351 is 15331232002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023213351 - 2¹⁷ = 20023082279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023213321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011606675 + 10011606676.

It is an arithmetic number, because the mean of its divisors is an integer number (10011606676).

Almost surely, 2^20023213351 is an apocalyptic number.

20023213351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023213351 is an equidigital number, since it uses as much as digits as its factorization.

20023213351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20023213351 its reverse (15331232002), we get a palindrome (35354445353).

The spelling of 20023213351 in words is "twenty billion, twenty-three million, two hundred thirteen thousand, three hundred fifty-one".