116996220 has 144 divisors (see below), whose sum is σ = 397863648. Its totient is φ = 27578880.

The previous prime is 116996203. The next prime is 116996221. The reversal of 116996220 is 22699611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116996221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72462 + ... + 74058.

It is an arithmetic number, because the mean of its divisors is an integer number (2762942).

Almost surely, 2^116996220 is an apocalyptic number.

116996220 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 116996220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198931824).

116996220 is an abundant number, since it is smaller than the sum of its proper divisors (280867428).

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

116996220 is a wasteful number, since it uses less digits than its factorization.

116996220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 116996220 is about 10816.4790944188. The cubic root of 116996220 is about 489.0920573922.

The spelling of 116996220 in words is "one hundred sixteen million, nine hundred ninety-six thousand, two hundred twenty".