20020022222 has 16 divisors (see below), whose sum is σ = 31810568832. Its totient is φ = 9417020160.

The previous prime is 20020022219. The next prime is 20020022233. The reversal of 20020022222 is 22222002002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20020022197 and 20020022206.

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, 51518 + ... + 206625.

It is an arithmetic number, because the mean of its divisors is an integer number (1988160552).

Almost surely, 2^20020022222 is an apocalyptic number.

20020022222 is a deficient number, since it is larger than the sum of its proper divisors (11790546610).

20020022222 is a wasteful number, since it uses less digits than its factorization.

20020022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260443.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20020022222 its reverse (22222002002), we get a palindrome (42242024224).

It can be divided in two parts, 2002002 and 2222, that multiplied together give a palindrome (4448448444).

The spelling of 20020022222 in words is "twenty billion, twenty million, twenty-two thousand, two hundred twenty-two".