1164024020 has 24 divisors (see below), whose sum is σ = 2550731904. Its totient is φ = 445365536.

The previous prime is 1164024019. The next prime is 1164024023. The reversal of 1164024020 is 204204611.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1164023983 and 1164024001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164024023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1264784 + ... + 1265703.

It is an arithmetic number, because the mean of its divisors is an integer number (106280496).

Almost surely, 2^1164024020 is an apocalyptic number.

1164024020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1164024020 is an abundant number, since it is smaller than the sum of its proper divisors (1386707884).

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

1164024020 is a wasteful number, since it uses less digits than its factorization.

1164024020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530519 (or 2530517 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1164024020 is about 34117.7962359822. The cubic root of 1164024020 is about 1051.9311460090.

Adding to 1164024020 its reverse (204204611), we get a palindrome (1368228631).

The spelling of 1164024020 in words is "one billion, one hundred sixty-four million, twenty-four thousand, twenty".