20002122122020 has 48 divisors (see below), whose sum is σ = 44217492984000. Its totient is φ = 7579361427840.

The previous prime is 20002122122009. The next prime is 20002122122027. The reversal of 20002122122020 is 2022122120002.

It is a junction number, because it is equal to n+sod(n) for n = 20002122121985 and 20002122122003.

It is not an unprimeable number, because it can be changed into a prime (20002122122027) 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 15 ways as a sum of consecutive naturals, for example, 6092206 + ... + 8781754.

It is an arithmetic number, because the mean of its divisors is an integer number (921197770500).

Almost surely, 2^{20002122122020} is an apocalyptic number.

20002122122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20002122122020 is an abundant number, since it is smaller than the sum of its proper divisors (24215370861980).

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

20002122122020 is a wasteful number, since it uses less digits than its factorization.

20002122122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709148 (or 2709146 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20002122122020 its reverse (2022122120002), we get a palindrome (22024244242022).

The spelling of 20002122122020 in words is "twenty trillion, two billion, one hundred twenty-two million, one hundred twenty-two thousand, twenty".