1382343220 has 24 divisors (see below), whose sum is σ = 2903796000. Its totient is φ = 552770592.

The previous prime is 1382343211. The next prime is 1382343229. The reversal of 1382343220 is 223432831.

It is an interprime number because it is at equal distance from previous prime (1382343211) and next prime (1382343229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382343229) 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 7 ways as a sum of consecutive naturals, for example, 74431 + ... + 91129.

It is an arithmetic number, because the mean of its divisors is an integer number (120991500).

Almost surely, 2^1382343220 is an apocalyptic number.

1382343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1382343220 is an abundant number, since it is smaller than the sum of its proper divisors (1521452780).

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

1382343220 is a wasteful number, since it uses less digits than its factorization.

1382343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20847 (or 20845 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 1382343220 is about 37179.8765463254. The cubic root of 1382343220 is about 1113.9660681561.

The spelling of 1382343220 in words is "one billion, three hundred eighty-two million, three hundred forty-three thousand, two hundred twenty".