1004304220 has 24 divisors (see below), whose sum is σ = 2181765600. Its totient is φ = 387868992.

The previous prime is 1004304211. The next prime is 1004304221. The reversal of 1004304220 is 224034001.

It is a junction number, because it is equal to n+sod(n) for n = 1004304194 and 1004304203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004304221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865200 + ... + 866359.

It is an arithmetic number, because the mean of its divisors is an integer number (90906900).

Almost surely, 2^1004304220 is an apocalyptic number.

1004304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004304220 is an abundant number, since it is smaller than the sum of its proper divisors (1177461380).

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

1004304220 is a wasteful number, since it uses less digits than its factorization.

1004304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731597 (or 1731595 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1004304220 is about 31690.7592209464. The cubic root of 1004304220 is about 1001.4326864294.

Adding to 1004304220 its reverse (224034001), we get a palindrome (1228338221).

The spelling of 1004304220 in words is "one billion, four million, three hundred four thousand, two hundred twenty".