200021002300 has 72 divisors (see below), whose sum is σ = 496156993920. Its totient is φ = 68564126400.

The previous prime is 200021002267. The next prime is 200021002309. The reversal of 200021002300 is 3200120002.

It is a super-2 number, since 2×200021002300² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021002309) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3592071 + ... + 3647329.

It is an arithmetic number, because the mean of its divisors is an integer number (6891069360).

Almost surely, 2^200021002300 is an apocalyptic number.

200021002300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021002300 is an abundant number, since it is smaller than the sum of its proper divisors (296135991620).

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

200021002300 is a wasteful number, since it uses less digits than its factorization.

200021002300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60451 (or 60444 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 200021002300 its reverse (3200120002), we get a palindrome (203221122302).

The spelling of 200021002300 in words is "two hundred billion, twenty-one million, two thousand, three hundred".