11301208220 has 24 divisors (see below), whose sum is σ = 24373958784. Its totient is φ = 4398307776.

The previous prime is 11301208187. The next prime is 11301208223. The reversal of 11301208220 is 2280210311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11301208192 and 11301208201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301208223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7635212 + ... + 7636691.

It is an arithmetic number, because the mean of its divisors is an integer number (1015581616).

Almost surely, 2^11301208220 is an apocalyptic number.

11301208220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301208220 is an abundant number, since it is smaller than the sum of its proper divisors (13072750564).

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

11301208220 is a wasteful number, since it uses less digits than its factorization.

11301208220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271949 (or 15271947 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11301208220 its reverse (2280210311), we get a palindrome (13581418531).

The spelling of 11301208220 in words is "eleven billion, three hundred one million, two hundred eight thousand, two hundred twenty".