1116201420 has 72 divisors (see below), whose sum is σ = 3416933520. Its totient is φ = 294917760.

The previous prime is 1116201413. The next prime is 1116201467. The reversal of 1116201420 is 241026111.

1116201420 is a `hidden beast` number, since 1 + 1 + 1 + 620 + 1 + 42 + 0 = 666.

It is a super-2 number, since 2×1116201420² = 2491811220020032800, which contains 22 as substring.

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 = 1116201393 and 1116201402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8826 + ... + 48065.

It is an arithmetic number, because the mean of its divisors is an integer number (47457410).

Almost surely, 2^1116201420 is an apocalyptic number.

1116201420 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 1116201420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708466760).

1116201420 is an abundant number, since it is smaller than the sum of its proper divisors (2300732100).

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

1116201420 is a wasteful number, since it uses less digits than its factorization.

1116201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57015 (or 57010 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1116201420 is about 33409.6007159619. The cubic root of 1116201420 is about 1037.3234367367.

Adding to 1116201420 its reverse (241026111), we get a palindrome (1357227531).

The spelling of 1116201420 in words is "one billion, one hundred sixteen million, two hundred one thousand, four hundred twenty".