42020142233 has 2 divisors, whose sum is σ = 42020142234. Its totient is φ = 42020142232.

The previous prime is 42020142223. The next prime is 42020142247. The reversal of 42020142233 is 33224102024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31654458889 + 10365683344 = 177917^2 + 101812^2 .

It is a cyclic number.

It is not a de Polignac number, because 42020142233 - 2⁴ = 42020142217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42020142199 and 42020142208.

It is not a weakly prime, because it can be changed into another prime (42020142223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21010071116 + 21010071117.

It is an arithmetic number, because the mean of its divisors is an integer number (21010071117).

Almost surely, 2^42020142233 is an apocalyptic number.

It is an amenable number.

42020142233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42020142233 is an equidigital number, since it uses as much as digits as its factorization.

42020142233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42020142233 its reverse (33224102024), we get a palindrome (75244244257).

The spelling of 42020142233 in words is "forty-two billion, twenty million, one hundred forty-two thousand, two hundred thirty-three".