20300229073 has 2 divisors, whose sum is σ = 20300229074. Its totient is φ = 20300229072.

The previous prime is 20300229011. The next prime is 20300229113. The reversal of 20300229073 is 37092200302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11031931089 + 9268297984 = 105033^2 + 96272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20300229073 is a prime.

It is not a weakly prime, because it can be changed into another prime (20300229773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150114536 + 10150114537.

It is an arithmetic number, because the mean of its divisors is an integer number (10150114537).

Almost surely, 2^20300229073 is an apocalyptic number.

It is an amenable number.

20300229073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300229073 is an equidigital number, since it uses as much as digits as its factorization.

20300229073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

Adding to 20300229073 its reverse (37092200302), we get a palindrome (57392429375).

The spelling of 20300229073 in words is "twenty billion, three hundred million, two hundred twenty-nine thousand, seventy-three".