20422242242 has 8 divisors (see below), whose sum is σ = 30669027600. Its totient is φ = 10199233044.

The previous prime is 20422242173. The next prime is 20422242251. The reversal of 20422242242 is 24224222402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5941892 + ... + 5945327.

It is an arithmetic number, because the mean of its divisors is an integer number (3833628450).

Almost surely, 2^20422242242 is an apocalyptic number.

20422242242 is a deficient number, since it is larger than the sum of its proper divisors (10246785358).

20422242242 is a wasteful number, since it uses less digits than its factorization.

20422242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888080.

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

Adding to 20422242242 its reverse (24224222402), we get a palindrome (44646464644).

The spelling of 20422242242 in words is "twenty billion, four hundred twenty-two million, two hundred forty-two thousand, two hundred forty-two".