200534520 has 32 divisors (see below), whose sum is σ = 601603920. Its totient is φ = 53475840.

The previous prime is 200534519. The next prime is 200534597. The reversal of 200534520 is 25435002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835441 + ... + 835680.

Almost surely, 2^200534520 is an apocalyptic number.

200534520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200534520 is an abundant number, since it is smaller than the sum of its proper divisors (401069400).

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

200534520 is a wasteful number, since it uses less digits than its factorization.

200534520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671135 (or 1671131 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 200534520 is about 14161.0211496205. The cubic root of 200534520 is about 585.3240661921.

Adding to 200534520 its reverse (25435002), we get a palindrome (225969522).

The spelling of 200534520 in words is "two hundred million, five hundred thirty-four thousand, five hundred twenty".