20010300073 has 2 divisors, whose sum is σ = 20010300074. Its totient is φ = 20010300072.

The previous prime is 20010300029. The next prime is 20010300133. The reversal of 20010300073 is 37000301002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16497604249 + 3512695824 = 128443^2 + 59268^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010300073 - 2¹⁷ = 20010169001 is a prime.

It is not a weakly prime, because it can be changed into another prime (20011300073) 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, 10005150036 + 10005150037.

It is an arithmetic number, because the mean of its divisors is an integer number (10005150037).

Almost surely, 2^20010300073 is an apocalyptic number.

It is an amenable number.

20010300073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010300073 is an equidigital number, since it uses as much as digits as its factorization.

20010300073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 16.

Adding to 20010300073 its reverse (37000301002), we get a palindrome (57010601075).

The spelling of 20010300073 in words is "twenty billion, ten million, three hundred thousand, seventy-three".