1301333020 has 24 divisors (see below), whose sum is σ = 2943015264. Its totient is φ = 480492096.

The previous prime is 1301332993. The next prime is 1301333021. The reversal of 1301333020 is 203331031.

It is a junction number, because it is equal to n+sod(n) for n = 1301332985 and 1301333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301333021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502304 + ... + 2502823.

It is an arithmetic number, because the mean of its divisors is an integer number (122625636).

Almost surely, 2^1301333020 is an apocalyptic number.

1301333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301333020 is an abundant number, since it is smaller than the sum of its proper divisors (1641682244).

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

1301333020 is a wasteful number, since it uses less digits than its factorization.

1301333020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005149 (or 5005147 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1301333020 is about 36073.9936796579. The cubic root of 1301333020 is about 1091.7657937167.

Adding to 1301333020 its reverse (203331031), we get a palindrome (1504664051).

The spelling of 1301333020 in words is "one billion, three hundred one million, three hundred thirty-three thousand, twenty".