210201000000220 has 24 divisors (see below), whose sum is σ = 442269359331408. Its totient is φ = 83919017270400.

The previous prime is 210201000000203. The next prime is 210201000000247. The reversal of 210201000000220 is 22000000102012.

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 = 210201000000197 and 210201000000206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10086409926 + ... + 10086430765.

It is an arithmetic number, because the mean of its divisors is an integer number (18427889972142).

Almost surely, 2^{210201000000220} is an apocalyptic number.

210201000000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201000000220 is an abundant number, since it is smaller than the sum of its proper divisors (232068359331188).

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

210201000000220 is a wasteful number, since it uses less digits than its factorization.

210201000000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20172841221 (or 20172841219 counting only the distinct ones).

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

Adding to 210201000000220 its reverse (22000000102012), we get a palindrome (232201000102232).

The spelling of 210201000000220 in words is "two hundred ten trillion, two hundred one billion, two hundred twenty", and thus it is an aban number.