116128020 has 96 divisors (see below), whose sum is σ = 346405248. Its totient is φ = 28966912.

The previous prime is 116128009. The next prime is 116128043. The reversal of 116128020 is 20821611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261919 + ... + 262361.

It is an arithmetic number, because the mean of its divisors is an integer number (3608388).

Almost surely, 2^116128020 is an apocalyptic number.

116128020 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 116128020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173202624).

116128020 is an abundant number, since it is smaller than the sum of its proper divisors (230277228).

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

116128020 is a wasteful number, since it uses less digits than its factorization.

116128020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 116128020 is about 10776.2711547177. The cubic root of 116128020 is about 487.8792420454.

Adding to 116128020 its reverse (20821611), we get a palindrome (136949631).

The spelling of 116128020 in words is "one hundred sixteen million, one hundred twenty-eight thousand, twenty".