1024452220 has 48 divisors (see below), whose sum is σ = 2349502848. Its totient is φ = 372119360.

The previous prime is 1024452193. The next prime is 1024452251. The reversal of 1024452220 is 222544201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1024452191 and 1024452200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259179 + ... + 263101.

It is an arithmetic number, because the mean of its divisors is an integer number (48947976).

Almost surely, 2^1024452220 is an apocalyptic number.

1024452220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024452220 is an abundant number, since it is smaller than the sum of its proper divisors (1325050628).

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

1024452220 is a wasteful number, since it uses less digits than its factorization.

1024452220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130 (or 5128 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1024452220 is about 32007.0651575554. The cubic root of 1024452220 is about 1008.0851934692.

Adding to 1024452220 its reverse (222544201), we get a palindrome (1246996421).

The spelling of 1024452220 in words is "one billion, twenty-four million, four hundred fifty-two thousand, two hundred twenty".