1160404020 has 144 divisors (see below), whose sum is σ = 3814050240. Its totient is φ = 284433408.

The previous prime is 1160404019. The next prime is 1160404031. The reversal of 1160404020 is 204040611.

1160404020 is a `hidden beast` number, since 1 + 1 + 604 + 0 + 40 + 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 = 1160403984 and 1160404002.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 127171 + ... + 135989.

It is an arithmetic number, because the mean of its divisors is an integer number (26486460).

Almost surely, 2^1160404020 is an apocalyptic number.

1160404020 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 1160404020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1907025120).

1160404020 is an abundant number, since it is smaller than the sum of its proper divisors (2653646220).

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

1160404020 is a wasteful number, since it uses less digits than its factorization.

1160404020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894 (or 8889 counting only the distinct ones).

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

The square root of 1160404020 is about 34064.7034333194. The cubic root of 1160404020 is about 1050.8395462340.

Adding to 1160404020 its reverse (204040611), we get a palindrome (1364444631).

The spelling of 1160404020 in words is "one billion, one hundred sixty million, four hundred four thousand, twenty".