200530450 has 24 divisors (see below), whose sum is σ = 376689060. Its totient is φ = 79416000.

The previous prime is 200530409. The next prime is 200530459. The reversal of 200530450 is 54035002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 171164889 + 29365561 = 13083^2 + 5419^2 .

It is a super-2 number, since 2×200530450² = 80424922754405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200530459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14805 + ... + 24904.

Almost surely, 2^200530450 is an apocalyptic number.

200530450 is a deficient number, since it is larger than the sum of its proper divisors (176158610).

200530450 is a wasteful number, since it uses less digits than its factorization.

200530450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39822 (or 39817 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 200530450 is about 14160.8774445654. The cubic root of 200530450 is about 585.3201063002.

Adding to 200530450 its reverse (54035002), we get a palindrome (254565452).

It can be divided in two parts, 200 and 530450, that multiplied together give a square (106090000 = 10300²).

The spelling of 200530450 in words is "two hundred million, five hundred thirty thousand, four hundred fifty".