20022220222 has 16 divisors (see below), whose sum is σ = 31346665632. Its totient is φ = 9573541120.

The previous prime is 20022220213. The next prime is 20022220261. The reversal of 20022220222 is 22202222002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022220196 and 20022220205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149322 + ... + 249682.

It is an arithmetic number, because the mean of its divisors is an integer number (1959166602).

Almost surely, 2^20022220222 is an apocalyptic number.

20022220222 is a deficient number, since it is larger than the sum of its proper divisors (11324445410).

20022220222 is a wasteful number, since it uses less digits than its factorization.

20022220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104723.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20022220222 its reverse (22202222002), we get a palindrome (42224442224).

It can be divided in two parts, 2002 and 2220222, that multiplied together give a palindrome (4444884444).

The spelling of 20022220222 in words is "twenty billion, twenty-two million, two hundred twenty thousand, two hundred twenty-two".