210020010220 has 12 divisors (see below), whose sum is σ = 441042021504. Its totient is φ = 84008004080.

The previous prime is 210020010217. The next prime is 210020010253. The reversal of 210020010220 is 22010020012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210020010197 and 210020010206.

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 3 ways as a sum of consecutive naturals, for example, 5250500236 + ... + 5250500275.

It is an arithmetic number, because the mean of its divisors is an integer number (36753501792).

Almost surely, 2^210020010220 is an apocalyptic number.

210020010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020010220 is an abundant number, since it is smaller than the sum of its proper divisors (231022011284).

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

210020010220 is a wasteful number, since it uses less digits than its factorization.

210020010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501000520 (or 10501000518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210020010220 its reverse (22010020012), we get a palindrome (232030030232).

The spelling of 210020010220 in words is "two hundred ten billion, twenty million, ten thousand, two hundred twenty".