200221002 has 48 divisors (see below), whose sum is σ = 474170112. Its totient is φ = 60785280.

The previous prime is 200220989. The next prime is 200221009. The reversal of 200221002 is 200122002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (200221009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1068 + ... + 20039.

It is an arithmetic number, because the mean of its divisors is an integer number (9878544).

Almost surely, 2^200221002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200221002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237085056).

200221002 is an abundant number, since it is smaller than the sum of its proper divisors (273949110).

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

200221002 is a wasteful number, since it uses less digits than its factorization.

200221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21163 (or 21160 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 200221002 is about 14149.9470670388. The cubic root of 200221002 is about 585.0188729392.

Adding to 200221002 its reverse (200122002), we get a palindrome (400343004).

The spelling of 200221002 in words is "two hundred million, two hundred twenty-one thousand, two".