124340000020 has 48 divisors (see below), whose sum is σ = 261887270400. Its totient is φ = 49588842240.

The previous prime is 124339999981. The next prime is 124340000023. The reversal of 124340000020 is 20000043421.

It is a junction number, because it is equal to n+sod(n) for n = 124339999949 and 124340000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124340000023) 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, 29110485 + ... + 29114755.

It is an arithmetic number, because the mean of its divisors is an integer number (5455984800).

Almost surely, 2^124340000020 is an apocalyptic number.

124340000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124340000020 is an abundant number, since it is smaller than the sum of its proper divisors (137547270380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124340000020 is a wasteful number, since it uses less digits than its factorization.

124340000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8248 (or 8246 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 124340000020 its reverse (20000043421), we get a palindrome (144340043441).

The spelling of 124340000020 in words is "one hundred twenty-four billion, three hundred forty million, twenty", and thus it is an aban number.