2122212020020 has 24 divisors (see below), whose sum is σ = 4468788705024. Its totient is φ = 846571767456.

The previous prime is 2122212020017. The next prime is 2122212020057. The reversal of 2122212020020 is 200202122212.

It is a junction number, because it is equal to n+sod(n) for n = 2122212019976 and 2122212020003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144557512 + ... + 144572191.

It is an arithmetic number, because the mean of its divisors is an integer number (186199529376).

Almost surely, 2^{2122212020020} is an apocalyptic number.

2122212020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122212020020 is an abundant number, since it is smaller than the sum of its proper divisors (2346576685004).

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

2122212020020 is a wasteful number, since it uses less digits than its factorization.

2122212020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289130079 (or 289130077 counting only the distinct ones).

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

Adding to 2122212020020 its reverse (200202122212), we get a palindrome (2322414142232).

The spelling of 2122212020020 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, twenty thousand, twenty".