220000000202 has 4 divisors (see below), whose sum is σ = 330000000306. Its totient is φ = 110000000100.

The previous prime is 220000000159. The next prime is 220000000219. The reversal of 220000000202 is 202000000022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202000000022 = 2 ⋅101000000011.

It can be written as a sum of positive squares in only one way, i.e., 200076395401 + 19923604801 = 447299^2 + 141151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220000000202.

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, 55000000049 + ... + 55000000052.

Almost surely, 2^220000000202 is an apocalyptic number.

220000000202 is a deficient number, since it is larger than the sum of its proper divisors (110000000104).

220000000202 is a wasteful number, since it uses less digits than its factorization.

220000000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110000000103.

The product of its (nonzero) digits is 16, while the sum is 8.

Adding to 220000000202 its reverse (202000000022), we get a palindrome (422000000224).

It can be divided in two parts, 22000000020 and 2, that added together give a palindrome (22000000022).

The spelling of 220000000202 in words is "two hundred twenty billion, two hundred two", and thus it is an aban number.