220042620404 has 12 divisors (see below), whose sum is σ = 385391007204. Its totient is φ = 109930904064.

The previous prime is 220042620403. The next prime is 220042620409. The reversal of 220042620404 is 404026240022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63660336100 + 156382284304 = 252310^2 + 395452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220042620403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22596059 + ... + 22605794.

It is an arithmetic number, because the mean of its divisors is an integer number (32115917267).

Almost surely, 2^220042620404 is an apocalyptic number.

It is an amenable number.

220042620404 is a deficient number, since it is larger than the sum of its proper divisors (165348386800).

220042620404 is a wasteful number, since it uses less digits than its factorization.

220042620404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45203074 (or 45203072 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 220042620404 its reverse (404026240022), we get a palindrome (624068860426).

The spelling of 220042620404 in words is "two hundred twenty billion, forty-two million, six hundred twenty thousand, four hundred four".