202730000000 has 512 divisors, whose sum is σ = 585701625600. Its totient is φ = 69120000000.

The previous prime is 202729999999. The next prime is 202730000089. The reversal of 202730000000 is 37202.

It is a self number, because there is not a number n which added to its sum of digits gives 202730000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2089999952 + ... + 2090000048.

Almost surely, 2^202730000000 is an apocalyptic number.

202730000000 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 202730000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292850812800).

202730000000 is an abundant number, since it is smaller than the sum of its proper divisors (382971625600).

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

202730000000 is an frugal number, since it uses more digits than its factorization.

202730000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

Adding to 202730000000 its reverse (37202), we get a palindrome (202730037202).

The spelling of 202730000000 in words is "two hundred two billion, seven hundred thirty million", and thus it is an aban number.