1109010020 has 24 divisors (see below), whose sum is σ = 2368396800. Its totient is φ = 436084832.

The previous prime is 1109010017. The next prime is 1109010029. The reversal of 1109010020 is 200109011.

It is a junction number, because it is equal to n+sod(n) for n = 1109009977 and 1109010004.

It is not an unprimeable number, because it can be changed into a prime (1109010029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468740 + ... + 471099.

It is an arithmetic number, because the mean of its divisors is an integer number (98683200).

Almost surely, 2^1109010020 is an apocalyptic number.

1109010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109010020 is an abundant number, since it is smaller than the sum of its proper divisors (1259386780).

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

1109010020 is a wasteful number, since it uses less digits than its factorization.

1109010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939907 (or 939905 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1109010020 is about 33301.8020533424. The cubic root of 1109010020 is about 1035.0908988444.

Adding to 1109010020 its reverse (200109011), we get a palindrome (1309119031).

The spelling of 1109010020 in words is "one billion, one hundred nine million, ten thousand, twenty".