20404244222 has 4 divisors (see below), whose sum is σ = 30606366336. Its totient is φ = 10202122110.

The previous prime is 20404244177. The next prime is 20404244243. The reversal of 20404244222 is 22244240402.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20404244191 and 20404244200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101061054 + ... + 5101061057.

It is an arithmetic number, because the mean of its divisors is an integer number (7651591584).

Almost surely, 2^20404244222 is an apocalyptic number.

20404244222 is a deficient number, since it is larger than the sum of its proper divisors (10202122114).

20404244222 is a wasteful number, since it uses less digits than its factorization.

20404244222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202122113.

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

Adding to 20404244222 its reverse (22244240402), we get a palindrome (42648484624).

The spelling of 20404244222 in words is "twenty billion, four hundred four million, two hundred forty-four thousand, two hundred twenty-two".