20124113434 has 64 divisors (see below), whose sum is σ = 32843543040. Its totient is φ = 9228542400.

The previous prime is 20124113423. The next prime is 20124113437. The reversal of 20124113434 is 43431142102.

It is a junction number, because it is equal to n+sod(n) for n = 20124113399 and 20124113408.

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 31 ways as a sum of consecutive naturals, for example, 13868409 + ... + 13869859.

It is an arithmetic number, because the mean of its divisors is an integer number (513180360).

Almost surely, 2^20124113434 is an apocalyptic number.

20124113434 is a deficient number, since it is larger than the sum of its proper divisors (12719429606).

20124113434 is a wasteful number, since it uses less digits than its factorization.

20124113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20124113434 its reverse (43431142102), we get a palindrome (63555255536).

The spelling of 20124113434 in words is "twenty billion, one hundred twenty-four million, one hundred thirteen thousand, four hundred thirty-four".