11231413220 has 24 divisors (see below), whose sum is σ = 23742172608. Its totient is φ = 4462812000.

The previous prime is 11231413201. The next prime is 11231413231. The reversal of 11231413220 is 2231413211.

It is a super-2 number, since 2×11231413220² (a number of 21 digits) contains 22 as substring.

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 = 11231413192 and 11231413201.

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, 1856486 + ... + 1862525.

It is an arithmetic number, because the mean of its divisors is an integer number (989257192).

Almost surely, 2^11231413220 is an apocalyptic number.

11231413220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231413220 is an abundant number, since it is smaller than the sum of its proper divisors (12510759388).

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

11231413220 is a wasteful number, since it uses less digits than its factorization.

11231413220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719171 (or 3719169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11231413220 its reverse (2231413211), we get a palindrome (13462826431).

Subtracting from 11231413220 its reverse (2231413211), we obtain a palindrome (9000000009).

The spelling of 11231413220 in words is "eleven billion, two hundred thirty-one million, four hundred thirteen thousand, two hundred twenty".