11220020313 has 4 divisors (see below), whose sum is σ = 14960027088. Its totient is φ = 7480013540.

The previous prime is 11220020311. The next prime is 11220020327. The reversal of 11220020313 is 31302002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11220020313 - 2¹ = 11220020311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220020292 and 11220020301.

It is not an unprimeable number, because it can be changed into a prime (11220020311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870003383 + ... + 1870003388.

It is an arithmetic number, because the mean of its divisors is an integer number (3740006772).

Almost surely, 2^11220020313 is an apocalyptic number.

It is an amenable number.

11220020313 is a deficient number, since it is larger than the sum of its proper divisors (3740006775).

11220020313 is an equidigital number, since it uses as much as digits as its factorization.

11220020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740006774.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11220020313 its reverse (31302002211), we get a palindrome (42522022524).

The spelling of 11220020313 in words is "eleven billion, two hundred twenty million, twenty thousand, three hundred thirteen".