20002220222 has 16 divisors (see below), whose sum is σ = 30138696000. Its totient is φ = 9956016000.

The previous prime is 20002220207. The next prime is 20002220243. The reversal of 20002220222 is 22202220002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20002220197 and 20002220206.

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, 2217722 + ... + 2226722.

It is an arithmetic number, because the mean of its divisors is an integer number (1883668500).

Almost surely, 2^20002220222 is an apocalyptic number.

20002220222 is a deficient number, since it is larger than the sum of its proper divisors (10136475778).

20002220222 is a wasteful number, since it uses less digits than its factorization.

20002220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891.

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

Adding to 20002220222 its reverse (22202220002), we get a palindrome (42204440224).

It can be divided in two parts, 2000 and 2220222, that added together give a palindrome (2222222).

The spelling of 20002220222 in words is "twenty billion, two million, two hundred twenty thousand, two hundred twenty-two".