220404200202 has 16 divisors (see below), whose sum is σ = 489787111680. Its totient is φ = 73468066716.

The previous prime is 220404200189. The next prime is 220404200251. The reversal of 220404200202 is 202002404022.

220404200202 is a `hidden beast` number, since 2 + 2 + 0 + 40 + 420 + 0 + 202 = 666.

It is a super-2 number, since 2×220404200202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 in 7 ways as a sum of consecutive naturals, for example, 2040779578 + ... + 2040779685.

It is an arithmetic number, because the mean of its divisors is an integer number (30611694480).

Almost surely, 2^220404200202 is an apocalyptic number.

220404200202 is an abundant number, since it is smaller than the sum of its proper divisors (269382911478).

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

220404200202 is a wasteful number, since it uses less digits than its factorization.

220404200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081559274 (or 4081559268 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 220404200202 its reverse (202002404022), we get a palindrome (422406604224).

The spelling of 220404200202 in words is "two hundred twenty billion, four hundred four million, two hundred thousand, two hundred two".