20442402424000 has 112 divisors (see below), whose sum is σ = 51126855283296. Its totient is φ = 8096000640000.

The previous prime is 20442402423973. The next prime is 20442402424001. The reversal of 20442402424000 is 42420424402.

It is a super-2 number, since 2×20442402424000² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20442402424000.

It is not an unprimeable number, because it can be changed into a prime (20442402424001) 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, 11842002 + ... + 13458001.

Almost surely, 2^{20442402424000} is an apocalyptic number.

20442402424000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20442402424000 is an abundant number, since it is smaller than the sum of its proper divisors (30684452859296).

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

20442402424000 is a wasteful number, since it uses less digits than its factorization.

20442402424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300131 (or 25300111 counting only the distinct ones).

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

Adding to 20442402424000 its reverse (42420424402), we get a palindrome (20484822848402).

The spelling of 20442402424000 in words is "twenty trillion, four hundred forty-two billion, four hundred two million, four hundred twenty-four thousand".