20144221022 has 16 divisors (see below), whose sum is σ = 31065191520. Its totient is φ = 9789722208.

The previous prime is 20144221001. The next prime is 20144221037. The reversal of 20144221022 is 22012244102.

It is a junction number, because it is equal to n+sod(n) for n = 20144220985 and 20144221003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69197 + ... + 212312.

It is an arithmetic number, because the mean of its divisors is an integer number (1941574470).

Almost surely, 2^20144221022 is an apocalyptic number.

20144221022 is a deficient number, since it is larger than the sum of its proper divisors (10920970498).

20144221022 is a wasteful number, since it uses less digits than its factorization.

20144221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282515.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20144221022 its reverse (22012244102), we get a palindrome (42156465124).

The spelling of 20144221022 in words is "twenty billion, one hundred forty-four million, two hundred twenty-one thousand, twenty-two".