200221243002 has 144 divisors (see below), whose sum is σ = 512974998432. Its totient is φ = 55925536320.

The previous prime is 200221242971. The next prime is 200221243007. The reversal of 200221243002 is 200342122002.

200221243002 is a `hidden beast` number, since 20 + 0 + 2 + 212 + 430 + 0 + 2 = 666.

It is a super-2 number, since 2×200221243002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200221243007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2606833 + ... + 2682539.

It is an arithmetic number, because the mean of its divisors is an integer number (3562326378).

Almost surely, 2^200221243002 is an apocalyptic number.

200221243002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 200221243002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256487499216).

200221243002 is an abundant number, since it is smaller than the sum of its proper divisors (312753755430).

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

200221243002 is a wasteful number, since it uses less digits than its factorization.

200221243002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75801 (or 75779 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 200221243002 its reverse (200342122002), we get a palindrome (400563365004).

The spelling of 200221243002 in words is "two hundred billion, two hundred twenty-one million, two hundred forty-three thousand, two".