11013201020 has 24 divisors (see below), whose sum is σ = 23151101568. Its totient is φ = 4400827200.

The previous prime is 11013201011. The next prime is 11013201053. The reversal of 11013201020 is 2010231011.

It is a junction number, because it is equal to n+sod(n) for n = 11013200992 and 11013201010.

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, 258011 + ... + 297650.

It is an arithmetic number, because the mean of its divisors is an integer number (964629232).

Almost surely, 2^11013201020 is an apocalyptic number.

11013201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11013201020 is an abundant number, since it is smaller than the sum of its proper divisors (12137900548).

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

11013201020 is a wasteful number, since it uses less digits than its factorization.

11013201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556661 (or 556659 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11013201020 its reverse (2010231011), we get a palindrome (13023432031).

The spelling of 11013201020 in words is "eleven billion, thirteen million, two hundred one thousand, twenty".