1105112020 has 12 divisors (see below), whose sum is σ = 2320735284. Its totient is φ = 442044800.

The previous prime is 1105112011. The next prime is 1105112039. The reversal of 1105112020 is 202115011.

1105112020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 366033424 + 739078596 = 19132^2 + 27186^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27627781 + ... + 27627820.

It is an arithmetic number, because the mean of its divisors is an integer number (193394607).

Almost surely, 2^1105112020 is an apocalyptic number.

1105112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105112020 is an abundant number, since it is smaller than the sum of its proper divisors (1215623264).

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

1105112020 is a wasteful number, since it uses less digits than its factorization.

1105112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55255610 (or 55255608 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1105112020 is about 33243.2251744622. The cubic root of 1105112020 is about 1033.8767466669.

Adding to 1105112020 its reverse (202115011), we get a palindrome (1307227031).

The spelling of 1105112020 in words is "one billion, one hundred five million, one hundred twelve thousand, twenty".