20024442424242 has 12 divisors (see below), whose sum is σ = 43386291919230. Its totient is φ = 6674814141408.

The previous prime is 20024442424171. The next prime is 20024442424253. The reversal of 20024442424242 is 24242424442002.

20024442424242 is a `hidden beast` number, since 200 + 2 + 4 + 4 + 4 + 2 + 424 + 24 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17661855165201 + 2362587259041 = 4202601^2 + 1537071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20024442424197 and 20024442424206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556234511767 + ... + 556234511802.

Almost surely, 2^{20024442424242} is an apocalyptic number.

20024442424242 is an abundant number, since it is smaller than the sum of its proper divisors (23361849494988).

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

20024442424242 is a wasteful number, since it uses less digits than its factorization.

20024442424242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112469023577 (or 1112469023574 counting only the distinct ones).

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

Adding to 20024442424242 its reverse (24242424442002), we get a palindrome (44266866866244).

It can be divided in two parts, 200 and 24442424242, that added together give a palindrome (24442424442).

The spelling of 20024442424242 in words is "twenty trillion, twenty-four billion, four hundred forty-two million, four hundred twenty-four thousand, two hundred forty-two".