20003122122 has 16 divisors (see below), whose sum is σ = 40007973600. Its totient is φ = 6667419152.

The previous prime is 20003122091. The next prime is 20003122129. The reversal of 20003122122 is 22122130002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20003122129) 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 7 ways as a sum of consecutive naturals, for example, 116113 + ... + 231275.

It is an arithmetic number, because the mean of its divisors is an integer number (2500498350).

Almost surely, 2^20003122122 is an apocalyptic number.

20003122122 is an abundant number, since it is smaller than the sum of its proper divisors (20004851478).

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

20003122122 is a wasteful number, since it uses less digits than its factorization.

20003122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144117.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20003122122 its reverse (22122130002), we get a palindrome (42125252124).

The spelling of 20003122122 in words is "twenty billion, three million, one hundred twenty-two thousand, one hundred twenty-two".