1795648220 has 24 divisors (see below), whose sum is σ = 3823975008. Its totient is φ = 708142400.

The previous prime is 1795648199. The next prime is 1795648237. The reversal of 1795648220 is 228465971.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 630851 + ... + 633690.

It is an arithmetic number, because the mean of its divisors is an integer number (159332292).

Almost surely, 2^1795648220 is an apocalyptic number.

1795648220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1795648220 is an abundant number, since it is smaller than the sum of its proper divisors (2028326788).

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

1795648220 is a wasteful number, since it uses less digits than its factorization.

1795648220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264621 (or 1264619 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1795648220 is about 42375.0896164244. The cubic root of 1795648220 is about 1215.4592967372.

The spelling of 1795648220 in words is "one billion, seven hundred ninety-five million, six hundred forty-eight thousand, two hundred twenty".