20002313983 has 2 divisors, whose sum is σ = 20002313984. Its totient is φ = 20002313982.

The previous prime is 20002313957. The next prime is 20002314001. The reversal of 20002313983 is 38931320002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20002313983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002313083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001156991 + 10001156992.

It is an arithmetic number, because the mean of its divisors is an integer number (10001156992).

Almost surely, 2^20002313983 is an apocalyptic number.

20002313983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002313983 is an equidigital number, since it uses as much as digits as its factorization.

20002313983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 20002313983 its reverse (38931320002), we get a palindrome (58933633985).

The spelling of 20002313983 in words is "twenty billion, two million, three hundred thirteen thousand, nine hundred eighty-three".