1010543020 has 24 divisors (see below), whose sum is σ = 2132920944. Its totient is φ = 402163776.

The previous prime is 1010543003. The next prime is 1010543029. The reversal of 1010543020 is 203450101.

It is a junction number, because it is equal to n+sod(n) for n = 1010542985 and 1010543003.

It is not an unprimeable number, because it can be changed into a prime (1010543029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124302 + ... + 132181.

It is an arithmetic number, because the mean of its divisors is an integer number (88871706).

Almost surely, 2^1010543020 is an apocalyptic number.

1010543020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010543020 is an abundant number, since it is smaller than the sum of its proper divisors (1122377924).

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

1010543020 is a wasteful number, since it uses less digits than its factorization.

1010543020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256689 (or 256687 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1010543020 is about 31789.0393060250. The cubic root of 1010543020 is about 1003.5020612501.

Adding to 1010543020 its reverse (203450101), we get a palindrome (1213993121).

The spelling of 1010543020 in words is "one billion, ten million, five hundred forty-three thousand, twenty".