1032113220 has 24 divisors (see below), whose sum is σ = 2889917184. Its totient is φ = 275230176.

The previous prime is 1032113209. The next prime is 1032113227. The reversal of 1032113220 is 223112301.

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 1032113220.

It is not an unprimeable number, because it can be changed into a prime (1032113227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8600884 + ... + 8601003.

It is an arithmetic number, because the mean of its divisors is an integer number (120413216).

Almost surely, 2^1032113220 is an apocalyptic number.

1032113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032113220 is an abundant number, since it is smaller than the sum of its proper divisors (1857803964).

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

1032113220 is a wasteful number, since it uses less digits than its factorization.

1032113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17201899 (or 17201897 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1032113220 is about 32126.5189524169. The cubic root of 1032113220 is about 1010.5918238469.

Adding to 1032113220 its reverse (223112301), we get a palindrome (1255225521).

The spelling of 1032113220 in words is "one billion, thirty-two million, one hundred thirteen thousand, two hundred twenty".