1000304220 has 24 divisors (see below), whose sum is σ = 2800851984. Its totient is φ = 266747776.

The previous prime is 1000304167. The next prime is 1000304237. The reversal of 1000304220 is 224030001.

1000304220 is digitally balanced in base 6, 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 = 1000304196 and 1000304205.

It is a congruent number.

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, 8335809 + ... + 8335928.

It is an arithmetic number, because the mean of its divisors is an integer number (116702166).

Almost surely, 2^1000304220 is an apocalyptic number.

1000304220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000304220 is an abundant number, since it is smaller than the sum of its proper divisors (1800547764).

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

1000304220 is a wasteful number, since it uses less digits than its factorization.

1000304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671749 (or 16671747 counting only the distinct ones).

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

The square root of 1000304220 is about 31627.5863764531. The cubic root of 1000304220 is about 1000.1013963851.

Adding to 1000304220 its reverse (224030001), we get a palindrome (1224334221).

The spelling of 1000304220 in words is "one billion, three hundred four thousand, two hundred twenty".