10304145220 has 12 divisors (see below), whose sum is σ = 21638705004. Its totient is φ = 4121658080.

The previous prime is 10304145119. The next prime is 10304145239. The reversal of 10304145220 is 2254140301.

It can be written as a sum of positive squares in 2 ways, for example, as 5893325824 + 4410819396 = 76768^2 + 66414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10304145191 and 10304145200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257603611 + ... + 257603650.

It is an arithmetic number, because the mean of its divisors is an integer number (1803225417).

Almost surely, 2^10304145220 is an apocalyptic number.

10304145220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10304145220 is an abundant number, since it is smaller than the sum of its proper divisors (11334559784).

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

10304145220 is a wasteful number, since it uses less digits than its factorization.

10304145220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515207270 (or 515207268 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10304145220 its reverse (2254140301), we get a palindrome (12558285521).

The spelling of 10304145220 in words is "ten billion, three hundred four million, one hundred forty-five thousand, two hundred twenty".