1003004220 has 48 divisors (see below), whose sum is σ = 2847979008. Its totient is φ = 263699520.

The previous prime is 1003004207. The next prime is 1003004257. The reversal of 1003004220 is 224003001.

1003004220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1003004196 and 1003004205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113464 + ... + 121983.

It is an arithmetic number, because the mean of its divisors is an integer number (59332896).

Almost surely, 2^1003004220 is an apocalyptic number.

1003004220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003004220 is an abundant number, since it is smaller than the sum of its proper divisors (1844974788).

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

1003004220 is a wasteful number, since it uses less digits than its factorization.

1003004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235530 (or 235528 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1003004220 is about 31670.2418683533. The cubic root of 1003004220 is about 1001.0004055217. Note that the first 3 decimals are identical.

Adding to 1003004220 its reverse (224003001), we get a palindrome (1227007221).

The spelling of 1003004220 in words is "one billion, three million, four thousand, two hundred twenty".