1152085020 has 24 divisors (see below), whose sum is σ = 3225838224. Its totient is φ = 307222656.

The previous prime is 1152085003. The next prime is 1152085049. The reversal of 1152085020 is 205802511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9600649 + ... + 9600768.

It is an arithmetic number, because the mean of its divisors is an integer number (134409926).

Almost surely, 2^1152085020 is an apocalyptic number.

1152085020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152085020 is an abundant number, since it is smaller than the sum of its proper divisors (2073753204).

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

1152085020 is a wasteful number, since it uses less digits than its factorization.

1152085020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201429 (or 19201427 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1152085020 is about 33942.3779367327. The cubic root of 1152085020 is about 1048.3223458725.

Adding to 1152085020 its reverse (205802511), we get a palindrome (1357887531).

The spelling of 1152085020 in words is "one billion, one hundred fifty-two million, eighty-five thousand, twenty".