2210020202020 has 24 divisors (see below), whose sum is σ = 4664601023544. Its totient is φ = 879520728576.

The previous prime is 2210020201957. The next prime is 2210020202023. The reversal of 2210020202020 is 202020200122.

It can be written as a sum of positive squares in 4 ways, for example, as 1214143941924 + 995876260096 = 1101882^2 + 997936^2 .

It is a super-2 number, since 2×2210020202020² (a number of 25 digits) contains 22 as substring.

2210020202020 is a modest number, since divided by 20202020 gives 22100 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2210020202023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280455477 + ... + 280463356.

It is an arithmetic number, because the mean of its divisors is an integer number (194358375981).

Almost surely, 2^{2210020202020} is an apocalyptic number.

2210020202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210020202020 is an abundant number, since it is smaller than the sum of its proper divisors (2454580821524).

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

2210020202020 is a wasteful number, since it uses less digits than its factorization.

2210020202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560919039 (or 560919037 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2210020202020 its reverse (202020200122), we get a palindrome (2412040402142).

The spelling of 2210020202020 in words is "two trillion, two hundred ten billion, twenty million, two hundred two thousand, twenty".