20042031544000 has 448 divisors, whose sum is σ = 54795389276160. Its totient is φ = 7227511603200.

The previous prime is 20042031543973. The next prime is 20042031544037. The reversal of 20042031544000 is 44513024002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 500867994 + ... + 500908006.

Almost surely, 2^{20042031544000} is an apocalyptic number.

20042031544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20042031544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27397694638080).

20042031544000 is an abundant number, since it is smaller than the sum of its proper divisors (34753357732160).

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

20042031544000 is a wasteful number, since it uses less digits than its factorization.

20042031544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40213 (or 40193 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20042031544000 its reverse (44513024002), we get a palindrome (20086544568002).

The spelling of 20042031544000 in words is "twenty trillion, forty-two billion, thirty-one million, five hundred forty-four thousand".