1352544220 has 24 divisors (see below), whose sum is σ = 2856043008. Its totient is φ = 538027200.

The previous prime is 1352544199. The next prime is 1352544223. The reversal of 1352544220 is 224452531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352544223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183196 + ... + 190435.

It is an arithmetic number, because the mean of its divisors is an integer number (119001792).

Almost surely, 2^1352544220 is an apocalyptic number.

1352544220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352544220 is an abundant number, since it is smaller than the sum of its proper divisors (1503498788).

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

1352544220 is a wasteful number, since it uses less digits than its factorization.

1352544220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373821 (or 373819 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1352544220 is about 36776.9522935221. The cubic root of 1352544220 is about 1105.9033091953.

Adding to 1352544220 its reverse (224452531), we get a palindrome (1576996751).

The spelling of 1352544220 in words is "one billion, three hundred fifty-two million, five hundred forty-four thousand, two hundred twenty".