202220021002 has 16 divisors (see below), whose sum is σ = 307512246600. Its totient is φ = 99716182272.

The previous prime is 202220020999. The next prime is 202220021011. The reversal of 202220021002 is 200120022202.

It can be written as a sum of positive squares in 4 ways, for example, as 185699803041 + 16520217961 = 430929^2 + 128531^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1801624 + ... + 1910572.

Almost surely, 2^202220021002 is an apocalyptic number.

202220021002 is a deficient number, since it is larger than the sum of its proper divisors (105292225598).

202220021002 is a wasteful number, since it uses less digits than its factorization.

202220021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121737.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202220021002 its reverse (200120022202), we get a palindrome (402340043204).

The spelling of 202220021002 in words is "two hundred two billion, two hundred twenty million, twenty-one thousand, two".