881320420 has 48 divisors (see below), whose sum is σ = 1899919728. Its totient is φ = 343203840.

The previous prime is 881320397. The next prime is 881320423. The reversal of 881320420 is 24023188.

881320420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 282441636 + 598878784 = 16806^2 + 24472^2 .

It is not an unprimeable number, because it can be changed into a prime (881320423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551062 + ... + 552658.

It is an arithmetic number, because the mean of its divisors is an integer number (39581661).

Almost surely, 2^881320420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881320420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949959864).

881320420 is an abundant number, since it is smaller than the sum of its proper divisors (1018599308).

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

881320420 is a wasteful number, since it uses less digits than its factorization.

881320420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 881320420 is about 29687.0412806666. The cubic root of 881320420 is about 958.7630263287.

The spelling of 881320420 in words is "eight hundred eighty-one million, three hundred twenty thousand, four hundred twenty".