2204637420 has 96 divisors (see below), whose sum is σ = 6418944000. Its totient is φ = 564689664.

The previous prime is 2204637419. The next prime is 2204637427. The reversal of 2204637420 is 247364022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2204637427) by changing a digit.

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, 343077 + ... + 349443.

It is an arithmetic number, because the mean of its divisors is an integer number (66864000).

Almost surely, 2^2204637420 is an apocalyptic number.

2204637420 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 2204637420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3209472000).

2204637420 is an abundant number, since it is smaller than the sum of its proper divisors (4214306580).

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

2204637420 is a wasteful number, since it uses less digits than its factorization.

2204637420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6607 (or 6605 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 2204637420 is about 46953.5666376900. The cubic root of 2204637420 is about 1301.5046522835.

The spelling of 2204637420 in words is "two billion, two hundred four million, six hundred thirty-seven thousand, four hundred twenty".