20040224520000 has 280 divisors, whose sum is σ = 66277784944800. Its totient is φ = 5342436608000.

The previous prime is 20040224519999. The next prime is 20040224520011. The reversal of 20040224520000 is 2542204002.

It is a super-2 number, since 2×20040224520000² (a number of 27 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 39 ways as a sum of consecutive naturals, for example, 424656406 + ... + 424703594.

Almost surely, 2^{20040224520000} is an apocalyptic number.

20040224520000 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 20040224520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33138892472400).

20040224520000 is an abundant number, since it is smaller than the sum of its proper divisors (46237560424800).

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

20040224520000 is an equidigital number, since it uses as much as digits as its factorization.

20040224520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50763 (or 50738 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 20040224520000 its reverse (2542204002), we get a palindrome (20042766724002).

The spelling of 20040224520000 in words is "twenty trillion, forty billion, two hundred twenty-four million, five hundred twenty thousand".