1024221320 has 16 divisors (see below), whose sum is σ = 2304498060. Its totient is φ = 409688512.

The previous prime is 1024221311. The next prime is 1024221379. The reversal of 1024221320 is 231224201.

It can be written as a sum of positive squares in 2 ways, for example, as 1023616036 + 605284 = 31994^2 + 778^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12802727 + ... + 12802806.

Almost surely, 2^1024221320 is an apocalyptic number.

1024221320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024221320 is an abundant number, since it is smaller than the sum of its proper divisors (1280276740).

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

1024221320 is a wasteful number, since it uses less digits than its factorization.

1024221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25605544 (or 25605540 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1024221320 is about 32003.4579381666. The cubic root of 1024221320 is about 1008.0094507596.

Adding to 1024221320 its reverse (231224201), we get a palindrome (1255445521).

The spelling of 1024221320 in words is "one billion, twenty-four million, two hundred twenty-one thousand, three hundred twenty".