20002240313 has 4 divisors (see below), whose sum is σ = 21820625808. Its totient is φ = 18183854820.

The previous prime is 20002240289. The next prime is 20002240337. The reversal of 20002240313 is 31304220002.

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 an interprime number because it is at equal distance from previous prime (20002240289) and next prime (20002240337).

It is a cyclic number.

It is not a de Polignac number, because 20002240313 - 2¹⁴ = 20002223929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20002240291 and 20002240300.

It is not an unprimeable number, because it can be changed into a prime (20002240393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909192731 + ... + 909192752.

It is an arithmetic number, because the mean of its divisors is an integer number (5455156452).

Almost surely, 2^20002240313 is an apocalyptic number.

It is an amenable number.

20002240313 is a deficient number, since it is larger than the sum of its proper divisors (1818385495).

20002240313 is a wasteful number, since it uses less digits than its factorization.

20002240313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818385494.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20002240313 its reverse (31304220002), we get a palindrome (51306460315).

The spelling of 20002240313 in words is "twenty billion, two million, two hundred forty thousand, three hundred thirteen".