220020202 has 4 divisors (see below), whose sum is σ = 330030306. Its totient is φ = 110010100.

The previous prime is 220020191. The next prime is 220020217. The reversal of 220020202 is 202020022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 219365721 + 654481 = 14811^2 + 809^2 .

220020202 is a modest number, since divided by 20202 gives 220 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005049 + ... + 55005052.

Almost surely, 2^220020202 is an apocalyptic number.

220020202 is a deficient number, since it is larger than the sum of its proper divisors (110010104).

220020202 is a wasteful number, since it uses less digits than its factorization.

220020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010103.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 220020202 is about 14833.0779678393. The cubic root of 220020202 is about 603.6995512431.

Adding to 220020202 its reverse (202020022), we get a palindrome (422040224).

The spelling of 220020202 in words is "two hundred twenty million, twenty thousand, two hundred two".