1352315220 has 96 divisors (see below), whose sum is σ = 3925853568. Its totient is φ = 347530752.

The previous prime is 1352315207. The next prime is 1352315221. The reversal of 1352315220 is 225132531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352315221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234694 + ... + 240386.

It is an arithmetic number, because the mean of its divisors is an integer number (40894308).

Almost surely, 2^1352315220 is an apocalyptic number.

1352315220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1352315220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962926784).

1352315220 is an abundant number, since it is smaller than the sum of its proper divisors (2573538348).

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

1352315220 is a wasteful number, since it uses less digits than its factorization.

1352315220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5849 (or 5847 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1352315220 is about 36773.8387987983. The cubic root of 1352315220 is about 1105.8408919750.

Adding to 1352315220 its reverse (225132531), we get a palindrome (1577447751).

The spelling of 1352315220 in words is "one billion, three hundred fifty-two million, three hundred fifteen thousand, two hundred twenty".