20102221000200 has 96 divisors (see below), whose sum is σ = 62318483861760. Its totient is φ = 5360454739200.

The previous prime is 20102221000187. The next prime is 20102221000201. The reversal of 20102221000200 is 200012220102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20102221000201) 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, 24146890 + ... + 24965510.

It is an arithmetic number, because the mean of its divisors is an integer number (649150873560).

Almost surely, 2^{20102221000200} is an apocalyptic number.

20102221000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102221000200 is an abundant number, since it is smaller than the sum of its proper divisors (42216262861560).

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

20102221000200 is a wasteful number, since it uses less digits than its factorization.

20102221000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859567 (or 859558 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20102221000200 its reverse (200012220102), we get a palindrome (20302233220302).

The spelling of 20102221000200 in words is "twenty trillion, one hundred two billion, two hundred twenty-one million, two hundred", and thus it is an aban number.