1032231220 has 24 divisors (see below), whose sum is σ = 2242434600. Its totient is φ = 398654592.

The previous prime is 1032231209. The next prime is 1032231227. The reversal of 1032231220 is 221322301.

1032231220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 67010596 + 965220624 = 8186^2 + 31068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1032231194 and 1032231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032231227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889275 + ... + 890434.

It is an arithmetic number, because the mean of its divisors is an integer number (93434775).

Almost surely, 2^1032231220 is an apocalyptic number.

1032231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032231220 is an abundant number, since it is smaller than the sum of its proper divisors (1210203380).

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

1032231220 is a wasteful number, since it uses less digits than its factorization.

1032231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779747 (or 1779745 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1032231220 is about 32128.3553889707. The cubic root of 1032231220 is about 1010.6303355427.

Adding to 1032231220 its reverse (221322301), we get a palindrome (1253553521).

The spelling of 1032231220 in words is "one billion, thirty-two million, two hundred thirty-one thousand, two hundred twenty".