1382956220 has 24 divisors (see below), whose sum is σ = 2905173600. Its totient is φ = 552998592.

The previous prime is 1382956217. The next prime is 1382956229. The reversal of 1382956220 is 226592831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382956229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61466 + ... + 80894.

It is an arithmetic number, because the mean of its divisors is an integer number (121048900).

Almost surely, 2^1382956220 is an apocalyptic number.

1382956220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1382956220 is an abundant number, since it is smaller than the sum of its proper divisors (1522217380).

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

1382956220 is a wasteful number, since it uses less digits than its factorization.

1382956220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22997 (or 22995 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1382956220 is about 37188.1193393804. The cubic root of 1382956220 is about 1114.1307065460.

The spelling of 1382956220 in words is "one billion, three hundred eighty-two million, nine hundred fifty-six thousand, two hundred twenty".