801306320 has 20 divisors (see below), whose sum is σ = 1863037380. Its totient is φ = 320522496.

The previous prime is 801306313. The next prime is 801306329. The reversal of 801306320 is 23603108.

It can be written as a sum of positive squares in 2 ways, for example, as 579653776 + 221652544 = 24076^2 + 14888^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801306329) 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 3 ways as a sum of consecutive naturals, for example, 5008085 + ... + 5008244.

It is an arithmetic number, because the mean of its divisors is an integer number (93151869).

Almost surely, 2^801306320 is an apocalyptic number.

801306320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

801306320 is an abundant number, since it is smaller than the sum of its proper divisors (1061731060).

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

801306320 is a wasteful number, since it uses less digits than its factorization.

801306320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10016342 (or 10016336 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 801306320 is about 28307.3545213960. The cubic root of 801306320 is about 928.8227753065.

Adding to 801306320 its reverse (23603108), we get a palindrome (824909428).

The spelling of 801306320 in words is "eight hundred one million, three hundred six thousand, three hundred twenty".