20224244024442 has 12 divisors (see below), whose sum is σ = 43819195386330. Its totient is φ = 6741414674808.

The previous prime is 20224244024431. The next prime is 20224244024447. The reversal of 20224244024442 is 24442044242202.

20224244024442 is a `hidden beast` number, since 2 + 0 + 2 + 242 + 4 + 402 + 4 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19727908275321 + 496335749121 = 4441611^2 + 704511^2 .

It is a super-2 number, since 2×20224244024442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20224244024397 and 20224244024406.

It is not an unprimeable number, because it can be changed into a prime (20224244024447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561784556217 + ... + 561784556252.

Almost surely, 2^{20224244024442} is an apocalyptic number.

20224244024442 is an abundant number, since it is smaller than the sum of its proper divisors (23594951361888).

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

20224244024442 is a wasteful number, since it uses less digits than its factorization.

20224244024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123569112477 (or 1123569112474 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 20224244024442 its reverse (24442044242202), we get a palindrome (44666288266644).

The spelling of 20224244024442 in words is "twenty trillion, two hundred twenty-four billion, two hundred forty-four million, twenty-four thousand, four hundred forty-two".