20144122222 has 16 divisors (see below), whose sum is σ = 36564121440. Its totient is φ = 8125360128.

The previous prime is 20144122169. The next prime is 20144122241. The reversal of 20144122222 is 22222144102.

It is a junction number, because it is equal to n+sod(n) for n = 20144122193 and 20144122202.

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 7 ways as a sum of consecutive naturals, for example, 42319347 + ... + 42319822.

It is an arithmetic number, because the mean of its divisors is an integer number (2285257590).

Almost surely, 2^20144122222 is an apocalyptic number.

20144122222 is a deficient number, since it is larger than the sum of its proper divisors (16419999218).

20144122222 is a wasteful number, since it uses less digits than its factorization.

20144122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84639195.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20144122222 its reverse (22222144102), we get a palindrome (42366266324).

The spelling of 20144122222 in words is "twenty billion, one hundred forty-four million, one hundred twenty-two thousand, two hundred twenty-two".