1350223720 has 16 divisors (see below), whose sum is σ = 3038003460. Its totient is φ = 540089472.

The previous prime is 1350223649. The next prime is 1350223723. The reversal of 1350223720 is 273220531.

It can be written as a sum of positive squares in 2 ways, for example, as 1168135684 + 182088036 = 34178^2 + 13494^2 .

It is not an unprimeable number, because it can be changed into a prime (1350223723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16877757 + ... + 16877836.

Almost surely, 2^1350223720 is an apocalyptic number.

1350223720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350223720 is an abundant number, since it is smaller than the sum of its proper divisors (1687779740).

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

1350223720 is a wasteful number, since it uses less digits than its factorization.

1350223720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33755604 (or 33755600 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1350223720 is about 36745.3904592127. The cubic root of 1350223720 is about 1105.2704974442.

The spelling of 1350223720 in words is "one billion, three hundred fifty million, two hundred twenty-three thousand, seven hundred twenty".