213020332020269 has 2 divisors, whose sum is σ = 213020332020270. Its totient is φ = 213020332020268.

The previous prime is 213020332020263. The next prime is 213020332020311. The reversal of 213020332020269 is 962020233020312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110747461890244 + 102272870130025 = 10523662^2 + 10113005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213020332020269 is a prime.

It is a super-2 number, since 2×213020332020269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213020332020263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106510166010134 + 106510166010135.

It is an arithmetic number, because the mean of its divisors is an integer number (106510166010135).

Almost surely, 2^{213020332020269} is an apocalyptic number.

It is an amenable number.

213020332020269 is a deficient number, since it is larger than the sum of its proper divisors (1).

213020332020269 is an equidigital number, since it uses as much as digits as its factorization.

213020332020269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 213020332020269 in words is "two hundred thirteen trillion, twenty billion, three hundred thirty-two million, twenty thousand, two hundred sixty-nine".