1303235020 has 96 divisors (see below), whose sum is σ = 2889686016. Its totient is φ = 493209600.

The previous prime is 1303234991. The next prime is 1303235027. The reversal of 1303235020 is 205323031.

It is not an unprimeable number, because it can be changed into a prime (1303235027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6823125 + ... + 6823315.

It is an arithmetic number, because the mean of its divisors is an integer number (30100896).

Almost surely, 2^1303235020 is an apocalyptic number.

1303235020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303235020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444843008).

1303235020 is an abundant number, since it is smaller than the sum of its proper divisors (1586450996).

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

1303235020 is a wasteful number, since it uses less digits than its factorization.

1303235020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 1303235020 is about 36100.3465357329. The cubic root of 1303235020 is about 1092.2974351577.

Adding to 1303235020 its reverse (205323031), we get a palindrome (1508558051).

The spelling of 1303235020 in words is "one billion, three hundred three million, two hundred thirty-five thousand, twenty".