1013303220 has 24 divisors (see below), whose sum is σ = 2837249184. Its totient is φ = 270214176.

The previous prime is 1013303219. The next prime is 1013303227. The reversal of 1013303220 is 223033101.

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 1013303220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013303227) 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 7 ways as a sum of consecutive naturals, for example, 8444134 + ... + 8444253.

It is an arithmetic number, because the mean of its divisors is an integer number (118218716).

Almost surely, 2^1013303220 is an apocalyptic number.

1013303220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013303220 is an abundant number, since it is smaller than the sum of its proper divisors (1823945964).

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

1013303220 is a wasteful number, since it uses less digits than its factorization.

1013303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888399 (or 16888397 counting only the distinct ones).

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

The square root of 1013303220 is about 31832.4240358789. The cubic root of 1013303220 is about 1004.4148867577.

Adding to 1013303220 its reverse (223033101), we get a palindrome (1236336321).

The spelling of 1013303220 in words is "one billion, thirteen million, three hundred three thousand, two hundred twenty".