20102220210022 has 48 divisors (see below), whose sum is σ = 32655776091120. Its totient is φ = 9275687363072.

The previous prime is 20102220209999. The next prime is 20102220210029. The reversal of 20102220210022 is 22001202220102.

It is a junction number, because it is equal to n+sod(n) for n = 20102220209978 and 20102220210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102220210029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49947429 + ... + 50348287.

It is an arithmetic number, because the mean of its divisors is an integer number (680328668565).

Almost surely, 2^{20102220210022} is an apocalyptic number.

20102220210022 is a deficient number, since it is larger than the sum of its proper divisors (12553555881098).

20102220210022 is a wasteful number, since it uses less digits than its factorization.

20102220210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402585 (or 402568 counting only the distinct ones).

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

Adding to 20102220210022 its reverse (22001202220102), we get a palindrome (42103422430124).

The spelling of 20102220210022 in words is "twenty trillion, one hundred two billion, two hundred twenty million, two hundred ten thousand, twenty-two".