20022454343 has 2 divisors, whose sum is σ = 20022454344. Its totient is φ = 20022454342.

The previous prime is 20022454303. The next prime is 20022454351. The reversal of 20022454343 is 34345422002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022454343 - 2¹⁴ = 20022437959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022454303) 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, 10011227171 + 10011227172.

It is an arithmetic number, because the mean of its divisors is an integer number (10011227172).

Almost surely, 2^20022454343 is an apocalyptic number.

20022454343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022454343 is an equidigital number, since it uses as much as digits as its factorization.

20022454343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 20022454343 its reverse (34345422002), we get a palindrome (54367876345).

The spelling of 20022454343 in words is "twenty billion, twenty-two million, four hundred fifty-four thousand, three hundred forty-three".