20042444012311 has 32 divisors (see below), whose sum is σ = 23882357520000. Its totient is φ = 16806800424960.

The previous prime is 20042444012303. The next prime is 20042444012317. The reversal of 20042444012311 is 11321044424002.

It is not a de Polignac number, because 20042444012311 - 2³ = 20042444012303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20042444012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042444012317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4764951 + ... + 7923991.

It is an arithmetic number, because the mean of its divisors is an integer number (746323672500).

Almost surely, 2^{20042444012311} is an apocalyptic number.

20042444012311 is a deficient number, since it is larger than the sum of its proper divisors (3839913507689).

20042444012311 is an equidigital number, since it uses as much as digits as its factorization.

20042444012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159464 (or 3159450 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20042444012311 its reverse (11321044424002), we get a palindrome (31363488436313).

The spelling of 20042444012311 in words is "twenty trillion, forty-two billion, four hundred forty-four million, twelve thousand, three hundred eleven".