13020203269 has 2 divisors, whose sum is σ = 13020203270. Its totient is φ = 13020203268.

The previous prime is 13020203213. The next prime is 13020203279. The reversal of 13020203269 is 96230202031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11823735169 + 1196468100 = 108737^2 + 34590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13020203269 is a prime.

It is a super-2 number, since 2×13020203269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020203279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510101634 + 6510101635.

It is an arithmetic number, because the mean of its divisors is an integer number (6510101635).

Almost surely, 2^13020203269 is an apocalyptic number.

It is an amenable number.

13020203269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020203269 is an equidigital number, since it uses as much as digits as its factorization.

13020203269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 13020203269 in words is "thirteen billion, twenty million, two hundred three thousand, two hundred sixty-nine".