20124111303434 has 16 divisors (see below), whose sum is σ = 30212445922848. Its totient is φ = 10053298391472.

The previous prime is 20124111303433. The next prime is 20124111303493. The reversal of 20124111303434 is 43430311142102.

It is a junction number, because it is equal to n+sod(n) for n = 20124111303397 and 20124111303406.

It is not an unprimeable number, because it can be changed into a prime (20124111303433) 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 7 ways as a sum of consecutive naturals, for example, 16309004 + ... + 17499480.

It is an arithmetic number, because the mean of its divisors is an integer number (1888277870178).

Almost surely, 2^{20124111303434} is an apocalyptic number.

20124111303434 is a deficient number, since it is larger than the sum of its proper divisors (10088334619414).

20124111303434 is a wasteful number, since it uses less digits than its factorization.

20124111303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197829.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20124111303434 its reverse (43430311142102), we get a palindrome (63554422445536).

The spelling of 20124111303434 in words is "twenty trillion, one hundred twenty-four billion, one hundred eleven million, three hundred three thousand, four hundred thirty-four".