20440214044433 has 4 divisors (see below), whose sum is σ = 20601160611840. Its totient is φ = 20279267477028.

The previous prime is 20440214044409. The next prime is 20440214044447. The reversal of 20440214044433 is 33444041204402.

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 not a de Polignac number, because 20440214044433 - 2¹⁶ = 20440213978897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20440214044393 and 20440214044402.

It is not an unprimeable number, because it can be changed into a prime (20440214044333) 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, 80473283513 + ... + 80473283766.

It is an arithmetic number, because the mean of its divisors is an integer number (5150290152960).

Almost surely, 2^{20440214044433} is an apocalyptic number.

It is an amenable number.

20440214044433 is a deficient number, since it is larger than the sum of its proper divisors (160946567407).

20440214044433 is a wasteful number, since it uses less digits than its factorization.

20440214044433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160946567406.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 20440214044433 its reverse (33444041204402), we get a palindrome (53884255248835).

The spelling of 20440214044433 in words is "twenty trillion, four hundred forty billion, two hundred fourteen million, forty-four thousand, four hundred thirty-three".