20202112031441 has 4 divisors (see below), whose sum is σ = 20544520710000. Its totient is φ = 19859703352884.

The previous prime is 20202112031399. The next prime is 20202112031473. The reversal of 20202112031441 is 14413021120202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202112031441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202112031341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171204339191 + ... + 171204339308.

It is an arithmetic number, because the mean of its divisors is an integer number (5136130177500).

Almost surely, 2^{20202112031441} is an apocalyptic number.

It is an amenable number.

20202112031441 is a deficient number, since it is larger than the sum of its proper divisors (342408678559).

20202112031441 is an equidigital number, since it uses as much as digits as its factorization.

20202112031441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342408678558.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 20202112031441 its reverse (14413021120202), we get a palindrome (34615133151643).

The spelling of 20202112031441 in words is "twenty trillion, two hundred two billion, one hundred twelve million, thirty-one thousand, four hundred forty-one".