1403314220 has 96 divisors (see below), whose sum is σ = 3686570496. Its totient is φ = 435916800.

The previous prime is 1403314201. The next prime is 1403314223. The reversal of 1403314220 is 224133041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1403314192 and 1403314201.

It is not an unprimeable number, because it can be changed into a prime (1403314223) 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, 508364 + ... + 511116.

It is an arithmetic number, because the mean of its divisors is an integer number (38401776).

Almost surely, 2^1403314220 is an apocalyptic number.

1403314220 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 1403314220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1843285248).

1403314220 is an abundant number, since it is smaller than the sum of its proper divisors (2283256276).

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

1403314220 is a wasteful number, since it uses less digits than its factorization.

1403314220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1403314220 is about 37460.8358155554. The cubic root of 1403314220 is about 1119.5710038564.

Adding to 1403314220 its reverse (224133041), we get a palindrome (1627447261).

The spelling of 1403314220 in words is "one billion, four hundred three million, three hundred fourteen thousand, two hundred twenty".