1004376220 has 24 divisors (see below), whose sum is σ = 2123352000. Its totient is φ = 399052992.

The previous prime is 1004376209. The next prime is 1004376253. The reversal of 1004376220 is 226734001.

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, 165540 + ... + 171499.

It is an arithmetic number, because the mean of its divisors is an integer number (88473000).

Almost surely, 2^1004376220 is an apocalyptic number.

1004376220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004376220 is an abundant number, since it is smaller than the sum of its proper divisors (1118975780).

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

1004376220 is a wasteful number, since it uses less digits than its factorization.

1004376220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337197 (or 337195 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1004376220 is about 31691.8951784206. The cubic root of 1004376220 is about 1001.4566172360.

The spelling of 1004376220 in words is "one billion, four million, three hundred seventy-six thousand, two hundred twenty".