20202322122 has 24 divisors (see below), whose sum is σ = 44954718276. Its totient is φ = 6552104256.

The previous prime is 20202322081. The next prime is 20202322139. The reversal of 20202322122 is 22122320202.

20202322122 is a `hidden beast` number, since 20 + 202 + 322 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16527416481 + 3674905641 = 128559^2 + 60621^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20202322095 and 20202322104.

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 11 ways as a sum of consecutive naturals, for example, 15166243 + ... + 15167574.

Almost surely, 2^20202322122 is an apocalyptic number.

20202322122 is an abundant number, since it is smaller than the sum of its proper divisors (24752396154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202322122 is a wasteful number, since it uses less digits than its factorization.

20202322122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30333862 (or 30333859 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20202322122 its reverse (22122320202), we get a palindrome (42324642324).

The spelling of 20202322122 in words is "twenty billion, two hundred two million, three hundred twenty-two thousand, one hundred twenty-two".