20593625809009 has 16 divisors (see below), whose sum is σ = 22482695499264. Its totient is φ = 18707381481600.

The previous prime is 20593625808991. The next prime is 20593625809019. The reversal of 20593625809009 is 90090852639502.

It is a cyclic number.

It is not a de Polignac number, because 20593625809009 - 2¹¹ = 20593625806961 is a prime.

It is a super-2 number, since 2×20593625809009² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20593625809019) 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 in 15 ways as a sum of consecutive naturals, for example, 83348637 + ... + 83595349.

It is an arithmetic number, because the mean of its divisors is an integer number (1405168468704).

Almost surely, 2^{20593625809009} is an apocalyptic number.

It is an amenable number.

20593625809009 is a deficient number, since it is larger than the sum of its proper divisors (1889069690255).

20593625809009 is a wasteful number, since it uses less digits than its factorization.

20593625809009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252408.

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 20593625809009 in words is "twenty trillion, five hundred ninety-three billion, six hundred twenty-five million, eight hundred nine thousand, nine".