20424222242 has 16 divisors (see below), whose sum is σ = 31825592064. Its totient is φ = 9822708000.

The previous prime is 20424222241. The next prime is 20424222253. The reversal of 20424222242 is 24222242402.

It is not an unprimeable number, because it can be changed into a prime (20424222241) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1748234 + ... + 1759877.

It is an arithmetic number, because the mean of its divisors is an integer number (1989099504).

Almost surely, 2^20424222242 is an apocalyptic number.

20424222242 is a deficient number, since it is larger than the sum of its proper divisors (11401369822).

20424222242 is a wasteful number, since it uses less digits than its factorization.

20424222242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508225.

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

Adding to 20424222242 its reverse (24222242402), we get a palindrome (44646464644).

The spelling of 20424222242 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred forty-two".