116420220 has 192 divisors, whose sum is σ = 435993600. Its totient is φ = 25194240.

The previous prime is 116420219. The next prime is 116420237. The reversal of 116420220 is 22024611.

116420220 is a `hidden beast` number, since 1 + 1 + 642 + 0 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 116420193 and 116420202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71010 + ... + 72630.

It is an arithmetic number, because the mean of its divisors is an integer number (2270800).

Almost surely, 2^116420220 is an apocalyptic number.

116420220 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 116420220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217996800).

116420220 is an abundant number, since it is smaller than the sum of its proper divisors (319573380).

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

116420220 is a wasteful number, since it uses less digits than its factorization.

116420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 116420220 is about 10789.8202023945. The cubic root of 116420220 is about 488.2880980463.

Adding to 116420220 its reverse (22024611), we get a palindrome (138444831).

The spelling of 116420220 in words is "one hundred sixteen million, four hundred twenty thousand, two hundred twenty".