20124143403040 has 96 divisors (see below), whose sum is σ = 47606502625920. Its totient is φ = 8038961086464.

The previous prime is 20124143402989. The next prime is 20124143403047. The reversal of 20124143403040 is 4030434142102.

It is a super-2 number, since 2×20124143403040² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20124143403047) 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, 418192101 + ... + 418240219.

It is an arithmetic number, because the mean of its divisors is an integer number (495901069020).

Almost surely, 2^{20124143403040} is an apocalyptic number.

20124143403040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20124143403040 is an abundant number, since it is smaller than the sum of its proper divisors (27482359222880).

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

20124143403040 is a wasteful number, since it uses less digits than its factorization.

20124143403040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51554 (or 51546 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20124143403040 its reverse (4030434142102), we get a palindrome (24154577545142).

The spelling of 20124143403040 in words is "twenty trillion, one hundred twenty-four billion, one hundred forty-three million, four hundred three thousand, forty".