20075434422911 has 4 divisors (see below), whose sum is σ = 22943353626192. Its totient is φ = 17207515219632.

The previous prime is 20075434422877. The next prime is 20075434422917. The reversal of 20075434422911 is 11922443457002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20075434422911 - 2¹⁸ = 20075434160767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20075434422917) 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, 1433959601630 + ... + 1433959601643.

It is an arithmetic number, because the mean of its divisors is an integer number (5735838406548).

Almost surely, 2^{20075434422911} is an apocalyptic number.

20075434422911 is a deficient number, since it is larger than the sum of its proper divisors (2867919203281).

20075434422911 is an equidigital number, since it uses as much as digits as its factorization.

20075434422911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867919203280.

The product of its (nonzero) digits is 483840, while the sum is 44.

Adding to 20075434422911 its reverse (11922443457002), we get a palindrome (31997877879913).

The spelling of 20075434422911 in words is "twenty trillion, seventy-five billion, four hundred thirty-four million, four hundred twenty-two thousand, nine hundred eleven".