2204402420 has 96 divisors (see below), whose sum is σ = 5344859520. Its totient is φ = 755274240.

The previous prime is 2204402411. The next prime is 2204402437. The reversal of 2204402420 is 242044022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2204402392 and 2204402401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822122 + ... + 824798.

It is an arithmetic number, because the mean of its divisors is an integer number (55675620).

Almost surely, 2^2204402420 is an apocalyptic number.

2204402420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2204402420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2672429760).

2204402420 is an abundant number, since it is smaller than the sum of its proper divisors (3140457100).

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

2204402420 is a wasteful number, since it uses less digits than its factorization.

2204402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913 (or 2911 counting only the distinct ones).

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

The square root of 2204402420 is about 46951.0640986975. The cubic root of 2204402420 is about 1301.4584066653.

Adding to 2204402420 its reverse (242044022), we get a palindrome (2446446442).

The spelling of 2204402420 in words is "two billion, two hundred four million, four hundred two thousand, four hundred twenty".