20134422437 has 4 divisors (see below), whose sum is σ = 20137097856. Its totient is φ = 20131747020.

The previous prime is 20134422421. The next prime is 20134422457. The reversal of 20134422437 is 73422443102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73422443102 = 2 ⋅36711221551.

It is a cyclic number.

It is not a de Polignac number, because 20134422437 - 2⁴ = 20134422421 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 (20134422457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326389 + ... + 1341482.

It is an arithmetic number, because the mean of its divisors is an integer number (5034274464).

Almost surely, 2^20134422437 is an apocalyptic number.

It is an amenable number.

20134422437 is a deficient number, since it is larger than the sum of its proper divisors (2675419).

20134422437 is an equidigital number, since it uses as much as digits as its factorization.

20134422437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675418.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 20134422437 its reverse (73422443102), we get a palindrome (93556865539).

The spelling of 20134422437 in words is "twenty billion, one hundred thirty-four million, four hundred twenty-two thousand, four hundred thirty-seven".