1150205020 has 48 divisors (see below), whose sum is σ = 2461592448. Its totient is φ = 451330560.

The previous prime is 1150204987. The next prime is 1150205027. The reversal of 1150205020 is 205020511.

It is a junction number, because it is equal to n+sod(n) for n = 1150204985 and 1150205003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150205027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556509 + ... + 558571.

It is an arithmetic number, because the mean of its divisors is an integer number (51283176).

Almost surely, 2^1150205020 is an apocalyptic number.

1150205020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150205020 is an abundant number, since it is smaller than the sum of its proper divisors (1311387428).

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

1150205020 is a wasteful number, since it uses less digits than its factorization.

1150205020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1150205020 is about 33914.6726358961. The cubic root of 1150205020 is about 1047.7518095626.

Adding to 1150205020 its reverse (205020511), we get a palindrome (1355225531).

The spelling of 1150205020 in words is "one billion, one hundred fifty million, two hundred five thousand, twenty".