20146300043 has 2 divisors, whose sum is σ = 20146300044. Its totient is φ = 20146300042.

The previous prime is 20146300037. The next prime is 20146300061. The reversal of 20146300043 is 34000364102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20146300043 - 2¹² = 20146295947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20146299991 and 20146300018.

It is not a weakly prime, because it can be changed into another prime (20146300073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073150021 + 10073150022.

It is an arithmetic number, because the mean of its divisors is an integer number (10073150022).

Almost surely, 2^20146300043 is an apocalyptic number.

20146300043 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146300043 is an equidigital number, since it uses as much as digits as its factorization.

20146300043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20146300043 its reverse (34000364102), we get a palindrome (54146664145).

The spelling of 20146300043 in words is "twenty billion, one hundred forty-six million, three hundred thousand, forty-three".