20225333113 has 4 divisors (see below), whose sum is σ = 20229011280. Its totient is φ = 20221654948.

The previous prime is 20225333099. The next prime is 20225333119. The reversal of 20225333113 is 31133352202.

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 20225333113 - 2²⁹ = 19688462201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20225333119) 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, 1830823 + ... + 1841836.

It is an arithmetic number, because the mean of its divisors is an integer number (5057252820).

Almost surely, 2^20225333113 is an apocalyptic number.

It is an amenable number.

20225333113 is a deficient number, since it is larger than the sum of its proper divisors (3678167).

20225333113 is an equidigital number, since it uses as much as digits as its factorization.

20225333113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678166.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 20225333113 its reverse (31133352202), we get a palindrome (51358685315).

The spelling of 20225333113 in words is "twenty billion, two hundred twenty-five million, three hundred thirty-three thousand, one hundred thirteen".