20124442041040 has 40 divisors (see below), whose sum is σ = 46789521482088. Its totient is φ = 8049743485440.

The previous prime is 20124442041031. The next prime is 20124442041127. The reversal of 20124442041040 is 4014024442102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3803779307584 + 16320662733456 = 1950328^2 + 4039884^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 30112110 + ... + 30773170.

Almost surely, 2^{20124442041040} is an apocalyptic number.

20124442041040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20124442041040 is an abundant number, since it is smaller than the sum of its proper divisors (26665079441048).

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

20124442041040 is a wasteful number, since it uses less digits than its factorization.

20124442041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041607 (or 1041601 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 20124442041040 its reverse (4014024442102), we get a palindrome (24138466483142).

The spelling of 20124442041040 in words is "twenty trillion, one hundred twenty-four billion, four hundred forty-two million, forty-one thousand, forty".