1100108020 has 24 divisors (see below), whose sum is σ = 2520247968. Its totient is φ = 400039200.

The previous prime is 1100108017. The next prime is 1100108033. The reversal of 1100108020 is 208010011.

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, 2500026 + ... + 2500465.

It is an arithmetic number, because the mean of its divisors is an integer number (105010332).

Almost surely, 2^1100108020 is an apocalyptic number.

1100108020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100108020 is an abundant number, since it is smaller than the sum of its proper divisors (1420139948).

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

1100108020 is a wasteful number, since it uses less digits than its factorization.

1100108020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000511 (or 5000509 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1100108020 is about 33167.8763263493. The cubic root of 1100108020 is about 1032.3139043195.

Adding to 1100108020 its reverse (208010011), we get a palindrome (1308118031).

The spelling of 1100108020 in words is "one billion, one hundred million, one hundred eight thousand, twenty".