20124113435 has 16 divisors (see below), whose sum is σ = 26039936160. Its totient is φ = 14879957760.

The previous prime is 20124113423. The next prime is 20124113437. The reversal of 20124113435 is 53431142102.

It is a happy number.

It is not a de Polignac number, because 20124113435 - 2²⁰ = 20123064859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20124113437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2579432 + ... + 2587221.

It is an arithmetic number, because the mean of its divisors is an integer number (1627496010).

Almost surely, 2^20124113435 is an apocalyptic number.

20124113435 is a deficient number, since it is larger than the sum of its proper divisors (5915822725).

20124113435 is a wasteful number, since it uses less digits than its factorization.

20124113435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166718.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 20124113435 its reverse (53431142102), we get a palindrome (73555255537).

The spelling of 20124113435 in words is "twenty billion, one hundred twenty-four million, one hundred thirteen thousand, four hundred thirty-five".