20004222242 has 4 divisors (see below), whose sum is σ = 30006333366. Its totient is φ = 10002111120.

The previous prime is 20004222191. The next prime is 20004222263. The reversal of 20004222242 is 24222240002.

20004222242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24222240002 = 2 ⋅12111120001.

It can be written as a sum of positive squares in only one way, i.e., 15921140041 + 4083082201 = 126179^2 + 63899^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001055559 + ... + 5001055562.

Almost surely, 2^20004222242 is an apocalyptic number.

20004222242 is a deficient number, since it is larger than the sum of its proper divisors (10002111124).

20004222242 is a wasteful number, since it uses less digits than its factorization.

20004222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002111123.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20004222242 its reverse (24222240002), we get a palindrome (44226462244).

The spelling of 20004222242 in words is "twenty billion, four million, two hundred twenty-two thousand, two hundred forty-two".