202000002220 has 12 divisors (see below), whose sum is σ = 424200004704. Its totient is φ = 80800000880.

The previous prime is 202000002151. The next prime is 202000002223. The reversal of 202000002220 is 22200000202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 202000002197 and 202000002206.

It is not an unprimeable number, because it can be changed into a prime (202000002223) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5050000036 + ... + 5050000075.

It is an arithmetic number, because the mean of its divisors is an integer number (35350000392).

Almost surely, 2^202000002220 is an apocalyptic number.

202000002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000002220 is an abundant number, since it is smaller than the sum of its proper divisors (222200002484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202000002220 is a wasteful number, since it uses less digits than its factorization.

202000002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100000120 (or 10100000118 counting only the distinct ones).

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

Adding to 202000002220 its reverse (22200000202), we get a palindrome (224200002422).

The spelling of 202000002220 in words is "two hundred two billion, two thousand, two hundred twenty".