20012010313 has 2 divisors, whose sum is σ = 20012010314. Its totient is φ = 20012010312.

The previous prime is 20012010301. The next prime is 20012010329. The reversal of 20012010313 is 31301021002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19543201209 + 468809104 = 139797^2 + 21652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20012010313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012010293 and 20012010302.

It is not a weakly prime, because it can be changed into another prime (20012010383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006005156 + 10006005157.

It is an arithmetic number, because the mean of its divisors is an integer number (10006005157).

Almost surely, 2^20012010313 is an apocalyptic number.

It is an amenable number.

20012010313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012010313 is an equidigital number, since it uses as much as digits as its factorization.

20012010313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20012010313 its reverse (31301021002), we get a palindrome (51313031315).

The spelling of 20012010313 in words is "twenty billion, twelve million, ten thousand, three hundred thirteen".