11001300020 has 48 divisors (see below), whose sum is σ = 23590577808. Its totient is φ = 4308480000.

The previous prime is 11001300001. The next prime is 11001300059. The reversal of 11001300020 is 2000310011.

It can be written as a sum of positive squares in 8 ways, for example, as 1104631696 + 9896668324 = 33236^2 + 99482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11001299980 and 11001300007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172520 + ... + 227520.

It is an arithmetic number, because the mean of its divisors is an integer number (491470371).

Almost surely, 2^11001300020 is an apocalyptic number.

11001300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001300020 is an abundant number, since it is smaller than the sum of its proper divisors (12589277788).

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

11001300020 is a wasteful number, since it uses less digits than its factorization.

11001300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55220 (or 55218 counting only the distinct ones).

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

Adding to 11001300020 its reverse (2000310011), we get a palindrome (13001610031).

Subtracting from 11001300020 its reverse (2000310011), we obtain a palindrome (9000990009).

The spelling of 11001300020 in words is "eleven billion, one million, three hundred thousand, twenty".