1382909220 has 384 divisors, whose sum is σ = 5444812800. Its totient is φ = 283046400.

The previous prime is 1382909179. The next prime is 1382909233. The reversal of 1382909220 is 229092831.

It is a super-2 number, since 2×1382909220² = 3824875821522016800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 3284610 + ... + 3285030.

It is an arithmetic number, because the mean of its divisors is an integer number (14179200).

Almost surely, 2^1382909220 is an apocalyptic number.

1382909220 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 1382909220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722406400).

1382909220 is an abundant number, since it is smaller than the sum of its proper divisors (4061903580).

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

1382909220 is a wasteful number, since it uses less digits than its factorization.

1382909220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1382909220 is about 37187.4874117626. The cubic root of 1382909220 is about 1114.1180850965.

The spelling of 1382909220 in words is "one billion, three hundred eighty-two million, nine hundred nine thousand, two hundred twenty".