20313210210269 has 2 divisors, whose sum is σ = 20313210210270. Its totient is φ = 20313210210268.

The previous prime is 20313210210253. The next prime is 20313210210323. The reversal of 20313210210269 is 96201201231302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14240623005625 + 6072587204644 = 3773675^2 + 2464262^2 .

It is a cyclic number.

It is not a de Polignac number, because 20313210210269 - 2⁴ = 20313210210253 is a prime.

It is a super-2 number, since 2×20313210210269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20313200210269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156605105134 + 10156605105135.

It is an arithmetic number, because the mean of its divisors is an integer number (10156605105135).

Almost surely, 2^{20313210210269} is an apocalyptic number.

It is an amenable number.

20313210210269 is a deficient number, since it is larger than the sum of its proper divisors (1).

20313210210269 is an equidigital number, since it uses as much as digits as its factorization.

20313210210269 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 32.

The spelling of 20313210210269 in words is "twenty trillion, three hundred thirteen billion, two hundred ten million, two hundred ten thousand, two hundred sixty-nine".