116020520 has 128 divisors (see below), whose sum is σ = 329011200. Its totient is φ = 35769600.

The previous prime is 116020511. The next prime is 116020523. The reversal of 116020520 is 25020611.

It is a super-2 number, since 2×116020520² = 26921522122140800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116020523) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 427985 + ... + 428255.

It is an arithmetic number, because the mean of its divisors is an integer number (2570400).

Almost surely, 2^116020520 is an apocalyptic number.

116020520 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 116020520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164505600).

116020520 is an abundant number, since it is smaller than the sum of its proper divisors (212990680).

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

116020520 is a wasteful number, since it uses less digits than its factorization.

116020520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 116020520 is about 10771.2821892289. The cubic root of 116020520 is about 487.7286518884.

Subtracting from 116020520 its reverse (25020611), we obtain a palindrome (90999909).

The spelling of 116020520 in words is "one hundred sixteen million, twenty thousand, five hundred twenty".