20223010313081 has 2 divisors, whose sum is σ = 20223010313082. Its totient is φ = 20223010313080.

The previous prime is 20223010313047. The next prime is 20223010313111. The reversal of 20223010313081 is 18031301032202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19705466759056 + 517543554025 = 4439084^2 + 719405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20223010313081 is a prime.

It is a super-2 number, since 2×20223010313081² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20223010313081.

It is not a weakly prime, because it can be changed into another prime (20223010312081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111505156540 + 10111505156541.

It is an arithmetic number, because the mean of its divisors is an integer number (10111505156541).

Almost surely, 2^{20223010313081} is an apocalyptic number.

It is an amenable number.

20223010313081 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223010313081 is an equidigital number, since it uses as much as digits as its factorization.

20223010313081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 20223010313081 its reverse (18031301032202), we get a palindrome (38254311345283).

The spelling of 20223010313081 in words is "twenty trillion, two hundred twenty-three billion, ten million, three hundred thirteen thousand, eighty-one".