20434344141 has 4 divisors (see below), whose sum is σ = 27245792192. Its totient is φ = 13622896092.

The previous prime is 20434344071. The next prime is 20434344167. The reversal of 20434344141 is 14144343402.

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 not a de Polignac number, because 20434344141 - 2¹³ = 20434335949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20434344099 and 20434344108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434344041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405724021 + ... + 3405724026.

It is an arithmetic number, because the mean of its divisors is an integer number (6811448048).

Almost surely, 2^20434344141 is an apocalyptic number.

It is an amenable number.

20434344141 is a deficient number, since it is larger than the sum of its proper divisors (6811448051).

20434344141 is an equidigital number, since it uses as much as digits as its factorization.

20434344141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811448050.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20434344141 its reverse (14144343402), we get a palindrome (34578687543).

The spelling of 20434344141 in words is "twenty billion, four hundred thirty-four million, three hundred forty-four thousand, one hundred forty-one".