202220040404 has 6 divisors (see below), whose sum is σ = 353885070714. Its totient is φ = 101110020200.

The previous prime is 202220040403. The next prime is 202220040409. The reversal of 202220040404 is 404040022202.

It can be written as a sum of positive squares in only one way, i.e., 140070547600 + 62149492804 = 374260^2 + 249298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220040403) 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 as a sum of consecutive naturals, namely, 25277505047 + ... + 25277505054.

It is an arithmetic number, because the mean of its divisors is an integer number (58980845119).

Almost surely, 2^202220040404 is an apocalyptic number.

It is an amenable number.

202220040404 is a deficient number, since it is larger than the sum of its proper divisors (151665030310).

202220040404 is a wasteful number, since it uses less digits than its factorization.

202220040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50555010105 (or 50555010103 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 202220040404 its reverse (404040022202), we get a palindrome (606260062606).

The spelling of 202220040404 in words is "two hundred two billion, two hundred twenty million, forty thousand, four hundred four".