116543020 has 24 divisors (see below), whose sum is σ = 266989968. Its totient is φ = 42379200.

The previous prime is 116543003. The next prime is 116543027. The reversal of 116543020 is 20345611.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 116542982 and 116543000.

It is not an unprimeable number, because it can be changed into a prime (116543027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264651 + ... + 265090.

It is an arithmetic number, because the mean of its divisors is an integer number (11124582).

Almost surely, 2^116543020 is an apocalyptic number.

116543020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116543020 is an abundant number, since it is smaller than the sum of its proper divisors (150446948).

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

116543020 is a wasteful number, since it uses less digits than its factorization.

116543020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529761 (or 529759 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 116543020 is about 10795.5092515360. The cubic root of 116543020 is about 488.4597197463.

Adding to 116543020 its reverse (20345611), we get a palindrome (136888631).

The spelling of 116543020 in words is "one hundred sixteen million, five hundred forty-three thousand, twenty".