220220021100202 has 4 divisors (see below), whose sum is σ = 330330031650306. Its totient is φ = 110110010550100.

The previous prime is 220220021100197. The next prime is 220220021100227. The reversal of 220220021100202 is 202001120022022.

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., 198204978803841 + 22015042296361 = 14078529^2 + 4692019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055005275049 + ... + 55055005275052.

Almost surely, 2^{220220021100202} is an apocalyptic number.

220220021100202 is a deficient number, since it is larger than the sum of its proper divisors (110110010550104).

220220021100202 is a wasteful number, since it uses less digits than its factorization.

220220021100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110110010550103.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220220021100202 its reverse (202001120022022), we get a palindrome (422221141122224).

The spelling of 220220021100202 in words is "two hundred twenty trillion, two hundred twenty billion, twenty-one million, one hundred thousand, two hundred two".