20110220302122 has 24 divisors (see below), whose sum is σ = 43617203119776. Its totient is φ = 6696474593256.

The previous prime is 20110220302111. The next prime is 20110220302129. The reversal of 20110220302122 is 22120302201102.

20110220302122 is a `hidden beast` number, since 20 + 1 + 1 + 0 + 220 + 302 + 122 = 666.

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 = 20110220302095 and 20110220302104.

It is not an unprimeable number, because it can be changed into a prime (20110220302129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577663288 + ... + 577698099.

It is an arithmetic number, because the mean of its divisors is an integer number (1817383463324).

Almost surely, 2^{20110220302122} is an apocalyptic number.

20110220302122 is an abundant number, since it is smaller than the sum of its proper divisors (23506982817654).

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

20110220302122 is a wasteful number, since it uses less digits than its factorization.

20110220302122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155362362 (or 1155362359 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20110220302122 its reverse (22120302201102), we get a palindrome (42230522503224).

The spelling of 20110220302122 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, three hundred two thousand, one hundred twenty-two".