20024044020242 has 4 divisors (see below), whose sum is σ = 30036066030366. Its totient is φ = 10012022010120.

The previous prime is 20024044020241. The next prime is 20024044020251. The reversal of 20024044020242 is 24202044042002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15682700899321 + 4341343120921 = 3960139^2 + 2083589^2 .

It is not an unprimeable number, because it can be changed into a prime (20024044020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006011005059 + ... + 5006011005062.

Almost surely, 2^{20024044020242} is an apocalyptic number.

20024044020242 is a deficient number, since it is larger than the sum of its proper divisors (10012022010124).

20024044020242 is a wasteful number, since it uses less digits than its factorization.

20024044020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012022010123.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20024044020242 its reverse (24202044042002), we get a palindrome (44226088062244).

The spelling of 20024044020242 in words is "twenty trillion, twenty-four billion, forty-four million, twenty thousand, two hundred forty-two".