200030493 has 8 divisors (see below), whose sum is σ = 287223328. Its totient is φ = 123095664.

The previous prime is 200030477. The next prime is 200030497. The reversal of 200030493 is 394030002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200030493 - 2⁴ = 200030477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200030497) 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, 2564455 + ... + 2564532.

It is an arithmetic number, because the mean of its divisors is an integer number (35902916).

Almost surely, 2^200030493 is an apocalyptic number.

It is an amenable number.

200030493 is a deficient number, since it is larger than the sum of its proper divisors (87192835).

200030493 is a wasteful number, since it uses less digits than its factorization.

200030493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129003.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 200030493 is about 14143.2136729953. The cubic root of 200030493 is about 584.8332668232.

Adding to 200030493 its reverse (394030002), we get a palindrome (594060495).

The spelling of 200030493 in words is "two hundred million, thirty thousand, four hundred ninety-three".