202220210002 has 4 divisors (see below), whose sum is σ = 303330315006. Its totient is φ = 101110105000.

The previous prime is 202220209991. The next prime is 202220210021. The reversal of 202220210002 is 200012022202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200012022202 = 2 ⋅100006011101.

It can be written as a sum of positive squares in only one way, i.e., 158450967481 + 43769242521 = 398059^2 + 209211^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555052499 + ... + 50555052502.

Almost surely, 2^202220210002 is an apocalyptic number.

202220210002 is a deficient number, since it is larger than the sum of its proper divisors (101110105004).

202220210002 is a wasteful number, since it uses less digits than its factorization.

202220210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101110105003.

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

Adding to 202220210002 its reverse (200012022202), we get a palindrome (402232232204).

The spelling of 202220210002 in words is "two hundred two billion, two hundred twenty million, two hundred ten thousand, two".