20003030137 has 2 divisors, whose sum is σ = 20003030138. Its totient is φ = 20003030136.

The previous prime is 20003030119. The next prime is 20003030143. The reversal of 20003030137 is 73103030002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14729220496 + 5273809641 = 121364^2 + 72621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003030137 is a prime.

It is not a weakly prime, because it can be changed into another prime (20003030167) 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, 10001515068 + 10001515069.

It is an arithmetic number, because the mean of its divisors is an integer number (10001515069).

Almost surely, 2^20003030137 is an apocalyptic number.

It is an amenable number.

20003030137 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003030137 is an equidigital number, since it uses as much as digits as its factorization.

20003030137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

Adding to 20003030137 its reverse (73103030002), we get a palindrome (93106060139).

The spelling of 20003030137 in words is "twenty billion, three million, thirty thousand, one hundred thirty-seven".