20420022242222 has 8 divisors (see below), whose sum is σ = 30630053367000. Its totient is φ = 10210004453224.

The previous prime is 20420022242219. The next prime is 20420022242339. The reversal of 20420022242222 is 22224222002402.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20420022242191 and 20420022242200.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2622404 + ... + 6907752.

It is an arithmetic number, because the mean of its divisors is an integer number (3828756670875).

Almost surely, 2^{20420022242222} is an apocalyptic number.

20420022242222 is a deficient number, since it is larger than the sum of its proper divisors (10210031124778).

20420022242222 is a wasteful number, since it uses less digits than its factorization.

20420022242222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667890.

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

Adding to 20420022242222 its reverse (22224222002402), we get a palindrome (42644244244624).

The spelling of 20420022242222 in words is "twenty trillion, four hundred twenty billion, twenty-two million, two hundred forty-two thousand, two hundred twenty-two".