1100013000020 has 96 divisors (see below), whose sum is σ = 2668642816896. Its totient is φ = 376421990400.

The previous prime is 1100013000017. The next prime is 1100013000043. The reversal of 1100013000020 is 200003100011.

It is a junction number, because it is equal to n+sod(n) for n = 1100012999971 and 1100013000007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33984164 + ... + 34016516.

It is an arithmetic number, because the mean of its divisors is an integer number (27798362676).

Almost surely, 2^{1100013000020} is an apocalyptic number.

1100013000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100013000020 is an abundant number, since it is smaller than the sum of its proper divisors (1568629816876).

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

1100013000020 is a wasteful number, since it uses less digits than its factorization.

1100013000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41481 (or 41479 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 1100013000020 its reverse (200003100011), we get a palindrome (1300016100031).

Subtracting from 1100013000020 its reverse (200003100011), we obtain a palindrome (900009900009).

The spelling of 1100013000020 in words is "one trillion, one hundred billion, thirteen million, twenty", and thus it is an aban number.