1300320220 has 12 divisors (see below), whose sum is σ = 2730672504. Its totient is φ = 520128080.

The previous prime is 1300320209. The next prime is 1300320223. The reversal of 1300320220 is 220230031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300320220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300320223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32507986 + ... + 32508025.

It is an arithmetic number, because the mean of its divisors is an integer number (227556042).

Almost surely, 2^1300320220 is an apocalyptic number.

1300320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1300320220 is an abundant number, since it is smaller than the sum of its proper divisors (1430352284).

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

1300320220 is a wasteful number, since it uses less digits than its factorization.

1300320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65016020 (or 65016018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1300320220 is about 36059.9531336357. The cubic root of 1300320220 is about 1091.4824874553.

Adding to 1300320220 its reverse (220230031), we get a palindrome (1520550251).

The spelling of 1300320220 in words is "one billion, three hundred million, three hundred twenty thousand, two hundred twenty".