20404022222 has 16 divisors (see below), whose sum is σ = 30927001392. Its totient is φ = 10095139200.

The previous prime is 20404022201. The next prime is 20404022227. The reversal of 20404022222 is 22222040402.

It is a junction number, because it is equal to n+sod(n) for n = 20404022194 and 20404022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404022227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330533 + ... + 387375.

It is an arithmetic number, because the mean of its divisors is an integer number (1932937587).

Almost surely, 2^20404022222 is an apocalyptic number.

20404022222 is a deficient number, since it is larger than the sum of its proper divisors (10522979170).

20404022222 is a wasteful number, since it uses less digits than its factorization.

20404022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58723.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20404022222 its reverse (22222040402), we get a palindrome (42626062624).

The spelling of 20404022222 in words is "twenty billion, four hundred four million, twenty-two thousand, two hundred twenty-two".