11320223202 has 20 divisors (see below), whose sum is σ = 25365685686. Its totient is φ = 3773407680.

The previous prime is 11320223197. The next prime is 11320223209. The reversal of 11320223202 is 20232202311.

11320223202 is a `hidden beast` number, since 1 + 1 + 320 + 22 + 320 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11314789641 + 5433561 = 106371^2 + 2331^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11320223209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34938799 + ... + 34939122.

Almost surely, 2^11320223202 is an apocalyptic number.

11320223202 is an abundant number, since it is smaller than the sum of its proper divisors (14045462484).

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

11320223202 is an equidigital number, since it uses as much as digits as its factorization.

11320223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69877935 (or 69877926 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11320223202 its reverse (20232202311), we get a palindrome (31552425513).

The spelling of 11320223202 in words is "eleven billion, three hundred twenty million, two hundred twenty-three thousand, two hundred two".