20130413441021 has 8 divisors (see below), whose sum is σ = 21774408577824. Its totient is φ = 18500061417840.

The previous prime is 20130413440999. The next prime is 20130413441053. The reversal of 20130413441021 is 12014431403102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-20130413441021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130413441221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410775335 + ... + 3410781236.

It is an arithmetic number, because the mean of its divisors is an integer number (2721801072228).

Almost surely, 2^{20130413441021} is an apocalyptic number.

It is an amenable number.

20130413441021 is a deficient number, since it is larger than the sum of its proper divisors (1643995136803).

20130413441021 is a wasteful number, since it uses less digits than its factorization.

20130413441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821556811.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20130413441021 its reverse (12014431403102), we get a palindrome (32144844844123).

The spelling of 20130413441021 in words is "twenty trillion, one hundred thirty billion, four hundred thirteen million, four hundred forty-one thousand, twenty-one".