20024442040240 has 40 divisors (see below), whose sum is σ = 50789266631568. Its totient is φ = 7281615287040.

The previous prime is 20024442040201. The next prime is 20024442040277. The reversal of 20024442040240 is 4204024442002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20024442040199 and 20024442040208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11377523007 + ... + 11377524766.

Almost surely, 2^{20024442040240} is an apocalyptic number.

20024442040240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024442040240 is an abundant number, since it is smaller than the sum of its proper divisors (30764824591328).

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

20024442040240 is a wasteful number, since it uses less digits than its factorization.

20024442040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22755047797 (or 22755047791 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20024442040240 its reverse (4204024442002), we get a palindrome (24228466482242).

The spelling of 20024442040240 in words is "twenty trillion, twenty-four billion, four hundred forty-two million, forty thousand, two hundred forty".