20444143314133 has 16 divisors (see below), whose sum is σ = 25549634557440. Its totient is φ = 15892480969200.

The previous prime is 20444143314083. The next prime is 20444143314139. The reversal of 20444143314133 is 33141334144402.

It is not a de Polignac number, because 20444143314133 - 2¹³ = 20444143305941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20444143314092 and 20444143314101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20444143314139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316803483 + ... + 316868008.

It is an arithmetic number, because the mean of its divisors is an integer number (1596852159840).

Almost surely, 2^{20444143314133} is an apocalyptic number.

It is an amenable number.

20444143314133 is a deficient number, since it is larger than the sum of its proper divisors (5105491243307).

20444143314133 is a wasteful number, since it uses less digits than its factorization.

20444143314133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633671928.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 20444143314133 its reverse (33141334144402), we get a palindrome (53585477458535).

The spelling of 20444143314133 in words is "twenty trillion, four hundred forty-four billion, one hundred forty-three million, three hundred fourteen thousand, one hundred thirty-three".