20003507325045 has 12 divisors (see below), whose sum is σ = 34672746030156. Its totient is φ = 10668537240000.

The previous prime is 20003507325037. The next prime is 20003507325047. The reversal of 20003507325045 is 54052370530002.

It can be written as a sum of positive squares in 2 ways, for example, as 15080686824996 + 4922820500049 = 3883386^2 + 2218743^2 .

It is not a de Polignac number, because 20003507325045 - 2³ = 20003507325037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003507325047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222261192456 + ... + 222261192545.

It is an arithmetic number, because the mean of its divisors is an integer number (2889395502513).

Almost surely, 2^{20003507325045} is an apocalyptic number.

It is an amenable number.

20003507325045 is a deficient number, since it is larger than the sum of its proper divisors (14669238705111).

20003507325045 is a wasteful number, since it uses less digits than its factorization.

20003507325045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444522385012 (or 444522385009 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 36.

Adding to 20003507325045 its reverse (54052370530002), we get a palindrome (74055877855047).

The spelling of 20003507325045 in words is "twenty trillion, three billion, five hundred seven million, three hundred twenty-five thousand, forty-five".