20300223137 has 2 divisors, whose sum is σ = 20300223138. Its totient is φ = 20300223136.

The previous prime is 20300223121. The next prime is 20300223217. The reversal of 20300223137 is 73132200302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20289438481 + 10784656 = 142441^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300223137 - 2⁴ = 20300223121 is a prime.

It is not a weakly prime, because it can be changed into another prime (20300220137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150111568 + 10150111569.

It is an arithmetic number, because the mean of its divisors is an integer number (10150111569).

Almost surely, 2^20300223137 is an apocalyptic number.

It is an amenable number.

20300223137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300223137 is an equidigital number, since it uses as much as digits as its factorization.

20300223137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 23.

Adding to 20300223137 its reverse (73132200302), we get a palindrome (93432423439).

The spelling of 20300223137 in words is "twenty billion, three hundred million, two hundred twenty-three thousand, one hundred thirty-seven".