20004235222 has 32 divisors (see below), whose sum is σ = 31623344640. Its totient is φ = 9479242080.

The previous prime is 20004235133. The next prime is 20004235243. The reversal of 20004235222 is 22253240002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20004235193 and 20004235202.

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 15 ways as a sum of consecutive naturals, for example, 720229 + ... + 747487.

It is an arithmetic number, because the mean of its divisors is an integer number (988229520).

Almost surely, 2^20004235222 is an apocalyptic number.

20004235222 is a deficient number, since it is larger than the sum of its proper divisors (11619109418).

20004235222 is a wasteful number, since it uses less digits than its factorization.

20004235222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27556.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 20004235222 its reverse (22253240002), we get a palindrome (42257475224).

The spelling of 20004235222 in words is "twenty billion, four million, two hundred thirty-five thousand, two hundred twenty-two".