1301033220 has 48 divisors (see below), whose sum is σ = 3741355968. Its totient is φ = 337564800.

The previous prime is 1301033191. The next prime is 1301033221. The reversal of 1301033220 is 223301031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1301033220.

It is not an unprimeable number, because it can be changed into a prime (1301033221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290806 + ... + 295245.

It is an arithmetic number, because the mean of its divisors is an integer number (77944916).

Almost surely, 2^1301033220 is an apocalyptic number.

1301033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301033220 is an abundant number, since it is smaller than the sum of its proper divisors (2440322748).

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

1301033220 is a wasteful number, since it uses less digits than its factorization.

1301033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586100 (or 586098 counting only the distinct ones).

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

The square root of 1301033220 is about 36069.8380922343. The cubic root of 1301033220 is about 1091.6819472510.

Adding to 1301033220 its reverse (223301031), we get a palindrome (1524334251).

The spelling of 1301033220 in words is "one billion, three hundred one million, thirty-three thousand, two hundred twenty".