20202221022122 has 32 divisors (see below), whose sum is σ = 32176691527680. Its totient is φ = 9486251066160.

The previous prime is 20202221022121. The next prime is 20202221022167. The reversal of 20202221022122 is 22122012220202.

It is a junction number, because it is equal to n+sod(n) for n = 20202221022094 and 20202221022103.

It is not an unprimeable number, because it can be changed into a prime (20202221022121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2008154 + ... + 6666117.

It is an arithmetic number, because the mean of its divisors is an integer number (1005521610240).

Almost surely, 2^{20202221022122} is an apocalyptic number.

20202221022122 is a deficient number, since it is larger than the sum of its proper divisors (11974470505558).

20202221022122 is a wasteful number, since it uses less digits than its factorization.

20202221022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8674826.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20202221022122 its reverse (22122012220202), we get a palindrome (42324233242324).

The spelling of 20202221022122 in words is "twenty trillion, two hundred two billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-two".