20022221122 has 8 divisors (see below), whose sum is σ = 31068963900. Its totient is φ = 9665899824.

The previous prime is 20022221099. The next prime is 20022221143. The reversal of 20022221122 is 22112222002.

20022221122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17969134401 + 2053086721 = 134049^2 + 45311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20022221096 and 20022221105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172605297 + ... + 172605412.

Almost surely, 2^20022221122 is an apocalyptic number.

20022221122 is a deficient number, since it is larger than the sum of its proper divisors (11046742778).

20022221122 is a wasteful number, since it uses less digits than its factorization.

20022221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345210740.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022221122 its reverse (22112222002), we get a palindrome (42134443124).

The spelling of 20022221122 in words is "twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".