20020002001122 has 16 divisors (see below), whose sum is σ = 41780873741760. Its totient is φ = 6383189043792.

The previous prime is 20020002001091. The next prime is 20020002001127. The reversal of 20020002001122 is 22110020002002.

It is a junction number, because it is equal to n+sod(n) for n = 20020002001098 and 20020002001107.

It is not an unprimeable number, because it can be changed into a prime (20020002001127) 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 7 ways as a sum of consecutive naturals, for example, 72536238997 + ... + 72536239272.

It is an arithmetic number, because the mean of its divisors is an integer number (2611304608860).

Almost surely, 2^{20020002001122} is an apocalyptic number.

20020002001122 is an abundant number, since it is smaller than the sum of its proper divisors (21760871740638).

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

20020002001122 is a wasteful number, since it uses less digits than its factorization.

20020002001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145072478297.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20020002001122 its reverse (22110020002002), we get a palindrome (42130022003124).

The spelling of 20020002001122 in words is "twenty trillion, twenty billion, two million, one thousand, one hundred twenty-two".