1000220432 has 20 divisors (see below), whose sum is σ = 2051923356. Its totient is φ = 470691840.

The previous prime is 1000220387. The next prime is 1000220437. The reversal of 1000220432 is 2340220001.

1000220432 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 2 ways, for example, as 288184576 + 712035856 = 16976^2 + 26684^2 .

It is not an unprimeable number, because it can be changed into a prime (1000220437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838369 + ... + 1838912.

Almost surely, 2^1000220432 is an apocalyptic number.

It is an amenable number.

1000220432 is an abundant number, since it is smaller than the sum of its proper divisors (1051702924).

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

1000220432 is a wasteful number, since it uses less digits than its factorization.

1000220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677306 (or 3677300 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1000220432 is about 31626.2617455810. The cubic root of 1000220432 is about 1000.0734719351.

Adding to 1000220432 its reverse (2340220001), we get a palindrome (3340440433).

The spelling of 1000220432 in words is "one billion, two hundred twenty thousand, four hundred thirty-two".