1301030220 has 192 divisors, whose sum is σ = 4277339136. Its totient is φ = 289336320.

The previous prime is 1301030209. The next prime is 1301030239. The reversal of 1301030220 is 220301031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1301030196 and 1301030205.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 4696722 + ... + 4696998.

It is an arithmetic number, because the mean of its divisors is an integer number (22277808).

Almost surely, 2^1301030220 is an apocalyptic number.

1301030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301030220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2138669568).

1301030220 is an abundant number, since it is smaller than the sum of its proper divisors (2976308916).

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

1301030220 is a wasteful number, since it uses less digits than its factorization.

1301030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1301030220 is about 36069.7965062183. The cubic root of 1301030220 is about 1091.6811081619.

Adding to 1301030220 its reverse (220301031), we get a palindrome (1521331251).

The spelling of 1301030220 in words is "one billion, three hundred one million, thirty thousand, two hundred twenty".