2000221002 has 48 divisors (see below), whose sum is σ = 4828136040. Its totient is φ = 594228096.

The previous prime is 2000220979. The next prime is 2000221021. The reversal of 2000221002 is 2001220002.

It can be written as a sum of positive squares in 4 ways, for example, as 728514081 + 1271706921 = 26991^2 + 35661^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140593 + ... + 154164.

Almost surely, 2^2000221002 is an apocalyptic number.

2000221002 is an abundant number, since it is smaller than the sum of its proper divisors (2827915038).

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

2000221002 is a wasteful number, since it uses less digits than its factorization.

2000221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294807 (or 294804 counting only the distinct ones).

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

The square root of 2000221002 is about 44723.8303592168. The cubic root of 2000221002 is about 1259.9674556976.

Adding to 2000221002 its reverse (2001220002), we get a palindrome (4001441004).

The spelling of 2000221002 in words is "two billion, two hundred twenty-one thousand, two".