1883381220 has 576 divisors, whose sum is σ = 7396945920. Its totient is φ = 392781312.

The previous prime is 1883381183. The next prime is 1883381273. The reversal of 1883381220 is 221833881.

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 191 ways as a sum of consecutive naturals, for example, 22691299 + ... + 22691381.

It is an arithmetic number, because the mean of its divisors is an integer number (12841920).

Almost surely, 2^1883381220 is an apocalyptic number.

1883381220 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 1883381220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3698472960).

1883381220 is an abundant number, since it is smaller than the sum of its proper divisors (5513564700).

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

1883381220 is a wasteful number, since it uses less digits than its factorization.

1883381220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1883381220 is about 43397.9402737042. The cubic root of 1883381220 is about 1234.9406277631.

The spelling of 1883381220 in words is "one billion, eight hundred eighty-three million, three hundred eighty-one thousand, two hundred twenty".