200030556 has 48 divisors (see below), whose sum is σ = 535973760. Its totient is φ = 57424320.

The previous prime is 200030497. The next prime is 200030561. The reversal of 200030556 is 655030002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37371 + ... + 42386.

It is an arithmetic number, because the mean of its divisors is an integer number (11166120).

Almost surely, 2^200030556 is an apocalyptic number.

It is an amenable number.

200030556 is an abundant number, since it is smaller than the sum of its proper divisors (335943204).

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

200030556 is a wasteful number, since it uses less digits than its factorization.

200030556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79794 (or 79792 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 200030556 is about 14143.2159002117. The cubic root of 200030556 is about 584.8333282213.

Adding to 200030556 its reverse (655030002), we get a palindrome (855060558).

The spelling of 200030556 in words is "two hundred million, thirty thousand, five hundred fifty-six".