2210212220020 has 96 divisors (see below), whose sum is σ = 5340790457856. Its totient is φ = 752606208000.

The previous prime is 2210212220011. The next prime is 2210212220057. The reversal of 2210212220020 is 200222120122.

It is a junction number, because it is equal to n+sod(n) for n = 2210212219976 and 2210212220003.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 137845924 + ... + 137861956.

It is an arithmetic number, because the mean of its divisors is an integer number (55633233936).

Almost surely, 2^{2210212220020} is an apocalyptic number.

2210212220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210212220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2670395228928).

2210212220020 is an abundant number, since it is smaller than the sum of its proper divisors (3130578237836).

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

2210212220020 is a wasteful number, since it uses less digits than its factorization.

2210212220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22721 (or 22719 counting only the distinct ones).

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

Adding to 2210212220020 its reverse (200222120122), we get a palindrome (2410434340142).

The spelling of 2210212220020 in words is "two trillion, two hundred ten billion, two hundred twelve million, two hundred twenty thousand, twenty".