1353568220 has 48 divisors (see below), whose sum is σ = 3031771680. Its totient is φ = 505841664.

The previous prime is 1353568201. The next prime is 1353568247. The reversal of 1353568220 is 228653531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32051 + ... + 61109.

It is an arithmetic number, because the mean of its divisors is an integer number (63161910).

Almost surely, 2^1353568220 is an apocalyptic number.

1353568220 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 1353568220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515885840).

1353568220 is an abundant number, since it is smaller than the sum of its proper divisors (1678203460).

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

1353568220 is a wasteful number, since it uses less digits than its factorization.

1353568220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29222 (or 29220 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1353568220 is about 36790.8714221341. The cubic root of 1353568220 is about 1106.1823288640.

The spelling of 1353568220 in words is "one billion, three hundred fifty-three million, five hundred sixty-eight thousand, two hundred twenty".