1303030020 has 48 divisors (see below), whose sum is σ = 3737478528. Its totient is φ = 338999040.

The previous prime is 1303030019. The next prime is 1303030067. The reversal of 1303030020 is 200303031.

It is a happy number.

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 = 1303029978 and 1303030005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262384 + ... + 267303.

It is an arithmetic number, because the mean of its divisors is an integer number (77864136).

Almost surely, 2^1303030020 is an apocalyptic number.

1303030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303030020 is an abundant number, since it is smaller than the sum of its proper divisors (2434448508).

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

1303030020 is a wasteful number, since it uses less digits than its factorization.

1303030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529740 (or 529738 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 1303030020 is about 36097.5071161431. The cubic root of 1303030020 is about 1092.2401590428.

Adding to 1303030020 its reverse (200303031), we get a palindrome (1503333051).

The spelling of 1303030020 in words is "one billion, three hundred three million, thirty thousand, twenty".