1004220320 has 48 divisors (see below), whose sum is σ = 2401086240. Its totient is φ = 396843264.

The previous prime is 1004220253. The next prime is 1004220331. The reversal of 1004220320 is 230224001.

It is a super-2 number, since 2×1004220320² = 2016916902201804800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1004220295 and 1004220304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24530 + ... + 51089.

It is an arithmetic number, because the mean of its divisors is an integer number (50022630).

Almost surely, 2^1004220320 is an apocalyptic number.

1004220320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1004220320 is an abundant number, since it is smaller than the sum of its proper divisors (1396865920).

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

1004220320 is an equidigital number, since it uses as much as digits as its factorization.

1004220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75717 (or 75709 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1004220320 is about 31689.4354635737. The cubic root of 1004220320 is about 1001.4047989491.

Adding to 1004220320 its reverse (230224001), we get a palindrome (1234444321).

The spelling of 1004220320 in words is "one billion, four million, two hundred twenty thousand, three hundred twenty".