2210110212020 has 72 divisors (see below), whose sum is σ = 4934452774104. Its totient is φ = 831341461504.

The previous prime is 2210110212019. The next prime is 2210110212029. The reversal of 2210110212020 is 202120110122.

It can be written as a sum of positive squares in 12 ways, for example, as 193420521616 + 2016689690404 = 439796^2 + 1420102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2210110211986 and 2210110212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210110212029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6735284 + ... + 7055796.

It is an arithmetic number, because the mean of its divisors is an integer number (68534066307).

Almost surely, 2^{2210110212020} is an apocalyptic number.

2210110212020 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 2210110212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467226387052).

2210110212020 is an abundant number, since it is smaller than the sum of its proper divisors (2724342562084).

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

2210110212020 is a wasteful number, since it uses less digits than its factorization.

2210110212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321749 (or 321730 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2210110212020 its reverse (202120110122), we get a palindrome (2412230322142).

The spelling of 2210110212020 in words is "two trillion, two hundred ten billion, one hundred ten million, two hundred twelve thousand, twenty".