1301323020 has 48 divisors (see below), whose sum is σ = 3649809408. Its totient is φ = 346438080.

The previous prime is 1301323007. The next prime is 1301323027. The reversal of 1301323020 is 203231031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1301323027) by changing a digit.

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, 18555 + ... + 54285.

It is an arithmetic number, because the mean of its divisors is an integer number (76037696).

Almost surely, 2^1301323020 is an apocalyptic number.

1301323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301323020 is an abundant number, since it is smaller than the sum of its proper divisors (2348486388).

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

1301323020 is a wasteful number, since it uses less digits than its factorization.

1301323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36350 (or 36348 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1301323020 is about 36073.8550753867. The cubic root of 1301323020 is about 1091.7629971776.

Adding to 1301323020 its reverse (203231031), we get a palindrome (1504554051).

The spelling of 1301323020 in words is "one billion, three hundred one million, three hundred twenty-three thousand, twenty".