124544636020 has 96 divisors (see below), whose sum is σ = 320496583680. Its totient is φ = 39680409600.

The previous prime is 124544636011. The next prime is 124544636057. The reversal of 124544636020 is 20636445421.

It is a super-2 number, since 2×124544636020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143181 + ... + 519220.

It is an arithmetic number, because the mean of its divisors is an integer number (3338506080).

Almost surely, 2^124544636020 is an apocalyptic number.

124544636020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124544636020 is an abundant number, since it is smaller than the sum of its proper divisors (195951947660).

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

124544636020 is a wasteful number, since it uses less digits than its factorization.

124544636020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662513 (or 662511 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 124544636020 in words is "one hundred twenty-four billion, five hundred forty-four million, six hundred thirty-six thousand, twenty".