20102222201202 has 24 divisors (see below), whose sum is σ = 43565900393340. Its totient is φ = 6699035253120.

The previous prime is 20102222201167. The next prime is 20102222201203. The reversal of 20102222201202 is 20210222220102.

20102222201202 is a `hidden beast` number, since 20 + 1 + 0 + 222 + 220 + 1 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19959798234321 + 142423966881 = 4467639^2 + 377391^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20102222201203) 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 11 ways as a sum of consecutive naturals, for example, 142050699 + ... + 142192142.

Almost surely, 2^{20102222201202} is an apocalyptic number.

20102222201202 is an abundant number, since it is smaller than the sum of its proper divisors (23463678192138).

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

20102222201202 is a wasteful number, since it uses less digits than its factorization.

20102222201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284246778 (or 284246775 counting only the distinct ones).

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

Adding to 20102222201202 its reverse (20210222220102), we get a palindrome (40312444421304).

The spelling of 20102222201202 in words is "twenty trillion, one hundred two billion, two hundred twenty-two million, two hundred one thousand, two hundred two".