20020001122122 has 16 divisors (see below), whose sum is σ = 40588495426560. Its totient is φ = 6581918176992.

The previous prime is 20020001122081. The next prime is 20020001122129. The reversal of 20020001122122 is 22122110002002.

It is a super-2 number, since 2×20020001122122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020001122129) 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, 22853882122 + ... + 22853882997.

It is an arithmetic number, because the mean of its divisors is an integer number (2536780964160).

Almost surely, 2^{20020001122122} is an apocalyptic number.

20020001122122 is an abundant number, since it is smaller than the sum of its proper divisors (20568494304438).

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

20020001122122 is a wasteful number, since it uses less digits than its factorization.

20020001122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45707765197.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20020001122122 its reverse (22122110002002), we get a palindrome (42142111124124).

The spelling of 20020001122122 in words is "twenty trillion, twenty billion, one million, one hundred twenty-two thousand, one hundred twenty-two".