20124430134 has 8 divisors (see below), whose sum is σ = 40248860280. Its totient is φ = 6708143376.

The previous prime is 20124430133. The next prime is 20124430159. The reversal of 20124430134 is 43103442102.

It is a sphenic number, since it is the product of 3 distinct primes.

20124430134 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124430133) 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, 1677035839 + ... + 1677035850.

It is an arithmetic number, because the mean of its divisors is an integer number (5031107535).

Almost surely, 2^20124430134 is an apocalyptic number.

20124430134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20124430134 is a wasteful number, since it uses less digits than its factorization.

20124430134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3354071694.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20124430134 its reverse (43103442102), we get a palindrome (63227872236).

The spelling of 20124430134 in words is "twenty billion, one hundred twenty-four million, four hundred thirty thousand, one hundred thirty-four".