20130324225445 has 16 divisors (see below), whose sum is σ = 28497859918848. Its totient is φ = 13358371835520.

The previous prime is 20130324225439. The next prime is 20130324225469. The reversal of 20130324225445 is 54452242303102.

It is a happy number.

It is not a de Polignac number, because 20130324225445 - 2³ = 20130324225437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9276646024 + ... + 9276648193.

It is an arithmetic number, because the mean of its divisors is an integer number (1781116244928).

Almost surely, 2^{20130324225445} is an apocalyptic number.

It is an amenable number.

20130324225445 is a deficient number, since it is larger than the sum of its proper divisors (8367535693403).

20130324225445 is a wasteful number, since it uses less digits than its factorization.

20130324225445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553294260.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 20130324225445 its reverse (54452242303102), we get a palindrome (74582566528547).

The spelling of 20130324225445 in words is "twenty trillion, one hundred thirty billion, three hundred twenty-four million, two hundred twenty-five thousand, four hundred forty-five".