20222002022 has 4 divisors (see below), whose sum is σ = 30333003036. Its totient is φ = 10111001010.

The previous prime is 20222002007. The next prime is 20222002049. The reversal of 20222002022 is 22020022202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22020022202 = 2 ⋅11010011101.

It is a junction number, because it is equal to n+sod(n) for n = 20222001988 and 20222002006.

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 as a sum of consecutive naturals, namely, 5055500504 + ... + 5055500507.

It is an arithmetic number, because the mean of its divisors is an integer number (7583250759).

Almost surely, 2^20222002022 is an apocalyptic number.

20222002022 is a deficient number, since it is larger than the sum of its proper divisors (10111001014).

20222002022 is a wasteful number, since it uses less digits than its factorization.

20222002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111001013.

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

Adding to 20222002022 its reverse (22020022202), we get a palindrome (42242024224).

The spelling of 20222002022 in words is "twenty billion, two hundred twenty-two million, two thousand, twenty-two".