202201000000 has 98 divisors (see below), whose sum is σ = 501549322274. Its totient is φ = 80880000000.

The previous prime is 202200999947. The next prime is 202201000037. The reversal of 202201000000 is 102202.

It is a happy number.

It can be written as a sum of positive squares in 7 ways, for example, as 184411842624 + 17789157376 = 429432^2 + 133376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 898900 + ... + 1101100.

Almost surely, 2^202201000000 is an apocalyptic number.

202201000000 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 202201000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250774661137).

202201000000 is an abundant number, since it is smaller than the sum of its proper divisors (299348322274).

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

202201000000 is an frugal number, since it uses more digits than its factorization.

202201000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202243 (or 202208 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 202201000000 its reverse (102202), we get a palindrome (202201102202).

The spelling of 202201000000 in words is "two hundred two billion, two hundred one million", and thus it is an aban number.