200621630 has 32 divisors (see below), whose sum is σ = 397230048. Its totient is φ = 72948480.

The previous prime is 200621599. The next prime is 200621657. The reversal of 200621630 is 36126002.

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 15 ways as a sum of consecutive naturals, for example, 5774 + ... + 20846.

It is an arithmetic number, because the mean of its divisors is an integer number (12413439).

Almost surely, 2^200621630 is an apocalyptic number.

200621630 is a deficient number, since it is larger than the sum of its proper divisors (196608418).

200621630 is a wasteful number, since it uses less digits than its factorization.

200621630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15113 (or 15091 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 200621630 is about 14164.0965119559. The cubic root of 200621630 is about 585.4088067119.

Adding to 200621630 its reverse (36126002), we get a palindrome (236747632).

The spelling of 200621630 in words is "two hundred million, six hundred twenty-one thousand, six hundred thirty".