20004022222 has 16 divisors (see below), whose sum is σ = 30249400320. Its totient is φ = 9920926008.

The previous prime is 20004022189. The next prime is 20004022273. The reversal of 20004022222 is 22222040002.

It is a junction number, because it is equal to n+sod(n) for n = 20004022196 and 20004022205.

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, 1685473 + ... + 1697299.

It is an arithmetic number, because the mean of its divisors is an integer number (1890587520).

Almost surely, 2^20004022222 is an apocalyptic number.

20004022222 is a deficient number, since it is larger than the sum of its proper divisors (10245378098).

20004022222 is a wasteful number, since it uses less digits than its factorization.

20004022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18615.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20004022222 its reverse (22222040002), we get a palindrome (42226062224).

The spelling of 20004022222 in words is "twenty billion, four million, twenty-two thousand, two hundred twenty-two".