220204044220 has 24 divisors (see below), whose sum is σ = 462485457504. Its totient is φ = 88070767296.

The previous prime is 220204044209. The next prime is 220204044271. The reversal of 220204044220 is 22440402022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220204044191 and 220204044200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510727 + ... + 837406.

It is an arithmetic number, because the mean of its divisors is an integer number (19270227396).

Almost surely, 2^220204044220 is an apocalyptic number.

220204044220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220204044220 is an abundant number, since it is smaller than the sum of its proper divisors (242281413284).

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

220204044220 is a wasteful number, since it uses less digits than its factorization.

220204044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356309 (or 1356307 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 220204044220 its reverse (22440402022), we get a palindrome (242644446242).

The spelling of 220204044220 in words is "two hundred twenty billion, two hundred four million, forty-four thousand, two hundred twenty".