1330020020 has 24 divisors (see below), whose sum is σ = 3192048384. Its totient is φ = 456006816.

The previous prime is 1330020017. The next prime is 1330020047. The reversal of 1330020020 is 200200331.

It is a junction number, because it is equal to n+sod(n) for n = 1330019983 and 1330020010.

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, 4749932 + ... + 4750211.

It is an arithmetic number, because the mean of its divisors is an integer number (133002016).

Almost surely, 2^1330020020 is an apocalyptic number.

1330020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330020020 is an abundant number, since it is smaller than the sum of its proper divisors (1862028364).

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

1330020020 is a wasteful number, since it uses less digits than its factorization.

1330020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500159 (or 9500157 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1330020020 is about 36469.4395350408. The cubic root of 1330020020 is about 1099.7299667742.

Adding to 1330020020 its reverse (200200331), we get a palindrome (1530220351).

The spelling of 1330020020 in words is "one billion, three hundred thirty million, twenty thousand, twenty".