20102220202122 has 48 divisors (see below), whose sum is σ = 44745289505280. Its totient is φ = 6517697312736.

The previous prime is 20102220202121. The next prime is 20102220202123. The reversal of 20102220202122 is 22120202220102.

20102220202122 is a `hidden beast` number, since 20 + 102 + 220 + 202 + 122 = 666.

It is an interprime number because it is at equal distance from previous prime (20102220202121) and next prime (20102220202123).

It is a super-3 number, since 3×20102220202122³ (a number of 41 digits) contains 333 as substring.

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 = 20102220202095 and 20102220202104.

It is not an unprimeable number, because it can be changed into a prime (20102220202121) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2255838 + ... + 6730025.

It is an arithmetic number, because the mean of its divisors is an integer number (932193531360).

Almost surely, 2^{20102220202122} is an apocalyptic number.

20102220202122 is an abundant number, since it is smaller than the sum of its proper divisors (24643069303158).

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

20102220202122 is a wasteful number, since it uses less digits than its factorization.

20102220202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989267 (or 8989264 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20102220202122 its reverse (22120202220102), we get a palindrome (42222422422224).

The spelling of 20102220202122 in words is "twenty trillion, one hundred two billion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".