200320320 has 56 divisors (see below), whose sum is σ = 636020064. Its totient is φ = 53418496.

The previous prime is 200320303. The next prime is 200320321. The reversal of 200320320 is 23023002.

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

It is a junction number, because it is equal to n+sod(n) for n = 200320296 and 200320305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200320321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103374 + ... + 105293.

Almost surely, 2^200320320 is an apocalyptic number.

200320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200320320 is an abundant number, since it is smaller than the sum of its proper divisors (435699744).

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

200320320 is a wasteful number, since it uses less digits than its factorization.

200320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208687 (or 208677 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 200320320 is about 14153.4561150272. The cubic root of 200320320 is about 585.1155882344.

Adding to 200320320 its reverse (23023002), we get a palindrome (223343322).

The spelling of 200320320 in words is "two hundred million, three hundred twenty thousand, three hundred twenty".