10550020073 has 2 divisors, whose sum is σ = 10550020074. Its totient is φ = 10550020072.

The previous prime is 10550020051. The next prime is 10550020081. The reversal of 10550020073 is 37002005501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10142101264 + 407918809 = 100708^2 + 20197^2 .

It is an emirp because it is prime and its reverse (37002005501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10550020073 - 2¹² = 10550015977 is a prime.

It is a super-2 number, since 2×10550020073² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10550020093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275010036 + 5275010037.

It is an arithmetic number, because the mean of its divisors is an integer number (5275010037).

Almost surely, 2^10550020073 is an apocalyptic number.

It is an amenable number.

10550020073 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550020073 is an equidigital number, since it uses as much as digits as its factorization.

10550020073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 23.

Adding to 10550020073 its reverse (37002005501), we get a palindrome (47552025574).

The spelling of 10550020073 in words is "ten billion, five hundred fifty million, twenty thousand, seventy-three".