200700400 has 60 divisors (see below), whose sum is σ = 491332392. Its totient is φ = 78757120.

The previous prime is 200700397. The next prime is 200700403. The reversal of 200700400 is 4007002.

It is an interprime number because it is at equal distance from previous prime (200700397) and next prime (200700403).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200700403) 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 11 ways as a sum of consecutive naturals, for example, 16467 + ... + 25933.

Almost surely, 2^200700400 is an apocalyptic number.

200700400 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 200700400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245666196).

200700400 is an abundant number, since it is smaller than the sum of its proper divisors (290631992).

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

200700400 is a wasteful number, since it uses less digits than its factorization.

200700400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9538 (or 9527 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 200700400 is about 14166.8768611857. The cubic root of 200700400 is about 585.4854129714.

Adding to 200700400 its reverse (4007002), we get a palindrome (204707402).

The spelling of 200700400 in words is "two hundred million, seven hundred thousand, four hundred".