20013332442031 has 8 divisors (see below), whose sum is σ = 20489121512640. Its totient is φ = 19539625600128.

The previous prime is 20013332442017. The next prime is 20013332442073. The reversal of 20013332442031 is 13024423331002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20013332442031 - 2³³ = 20004742507439 is a prime.

It is a super-2 number, since 2×20013332442031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013332442011) 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, 520537726 + ... + 520576171.

It is an arithmetic number, because the mean of its divisors is an integer number (2561140189080).

Almost surely, 2^{20013332442031} is an apocalyptic number.

20013332442031 is a deficient number, since it is larger than the sum of its proper divisors (475789070609).

20013332442031 is a wasteful number, since it uses less digits than its factorization.

20013332442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041114353.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20013332442031 its reverse (13024423331002), we get a palindrome (33037755773033).

The spelling of 20013332442031 in words is "twenty trillion, thirteen billion, three hundred thirty-two million, four hundred forty-two thousand, thirty-one".