20112334124 has 6 divisors (see below), whose sum is σ = 35196584724. Its totient is φ = 10056167060.

The previous prime is 20112334111. The next prime is 20112334129. The reversal of 20112334124 is 42143321102.

It is a self number, because there is not a number n which added to its sum of digits gives 20112334124.

It is not an unprimeable number, because it can be changed into a prime (20112334129) 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 as a sum of consecutive naturals, namely, 2514041762 + ... + 2514041769.

It is an arithmetic number, because the mean of its divisors is an integer number (5866097454).

Almost surely, 2^20112334124 is an apocalyptic number.

It is an amenable number.

20112334124 is a deficient number, since it is larger than the sum of its proper divisors (15084250600).

20112334124 is a wasteful number, since it uses less digits than its factorization.

20112334124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028083535 (or 5028083533 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20112334124 its reverse (42143321102), we get a palindrome (62255655226).

The spelling of 20112334124 in words is "twenty billion, one hundred twelve million, three hundred thirty-four thousand, one hundred twenty-four".