20224244313311 has 4 divisors (see below), whose sum is σ = 20420596199952. Its totient is φ = 20027892426672.

The previous prime is 20224244313269. The next prime is 20224244313331. The reversal of 20224244313311 is 11331344242202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20224244313311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224244313331) 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, 98175943166 + ... + 98175943371.

It is an arithmetic number, because the mean of its divisors is an integer number (5105149049988).

Almost surely, 2^{20224244313311} is an apocalyptic number.

20224244313311 is a deficient number, since it is larger than the sum of its proper divisors (196351886641).

20224244313311 is a wasteful number, since it uses less digits than its factorization.

20224244313311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196351886640.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 20224244313311 its reverse (11331344242202), we get a palindrome (31555588555513).

The spelling of 20224244313311 in words is "twenty trillion, two hundred twenty-four billion, two hundred forty-four million, three hundred thirteen thousand, three hundred eleven".