200220566 has 48 divisors (see below), whose sum is σ = 392654304. Its totient is φ = 75753216.

The previous prime is 200220557. The next prime is 200220569. The reversal of 200220566 is 665022002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200220569) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25886 + ... + 32718.

It is an arithmetic number, because the mean of its divisors is an integer number (8180298).

Almost surely, 2^200220566 is an apocalyptic number.

200220566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

200220566 is a deficient number, since it is larger than the sum of its proper divisors (192433738).

200220566 is a wasteful number, since it uses less digits than its factorization.

200220566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6885 (or 6878 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 200220566 is about 14149.9316606124. The cubic root of 200220566 is about 585.0184482944.

Adding to 200220566 its reverse (665022002), we get a palindrome (865242568).

The spelling of 200220566 in words is "two hundred million, two hundred twenty thousand, five hundred sixty-six".