20124144104 has 16 divisors (see below), whose sum is σ = 37734724800. Its totient is φ = 10061550832.

The previous prime is 20124144083. The next prime is 20124144121. The reversal of 20124144104 is 40144142102.

It is a self number, because there is not a number n which added to its sum of digits gives 20124144104.

It is an unprimeable number.

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, 135167 + ... + 241905.

It is an arithmetic number, because the mean of its divisors is an integer number (2358420300).

Almost surely, 2^20124144104 is an apocalyptic number.

It is an amenable number.

20124144104 is a deficient number, since it is larger than the sum of its proper divisors (17610580696).

20124144104 is a wasteful number, since it uses less digits than its factorization.

20124144104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130312 (or 130308 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20124144104 its reverse (40144142102), we get a palindrome (60268286206).

The spelling of 20124144104 in words is "twenty billion, one hundred twenty-four million, one hundred forty-four thousand, one hundred four".