17020540305073 has 4 divisors (see below), whose sum is σ = 17020650406720. Its totient is φ = 17020430203428.

The previous prime is 17020540305023. The next prime is 17020540305077. The reversal of 17020540305073 is 37050304502071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17020540305073 - 2³⁷ = 16883101351601 is a prime.

It is a super-2 number, since 2×17020540305073² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17020540305077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54818613 + ... + 55128226.

It is an arithmetic number, because the mean of its divisors is an integer number (4255162601680).

Almost surely, 2^{17020540305073} is an apocalyptic number.

It is an amenable number.

17020540305073 is a deficient number, since it is larger than the sum of its proper divisors (110101647).

17020540305073 is a wasteful number, since it uses less digits than its factorization.

17020540305073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110101646.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 17020540305073 in words is "seventeen trillion, twenty billion, five hundred forty million, three hundred five thousand, seventy-three".