1030120020269 has 2 divisors, whose sum is σ = 1030120020270. Its totient is φ = 1030120020268.

The previous prime is 1030120020187. The next prime is 1030120020271. The reversal of 1030120020269 is 9620200210301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800377151044 + 229742869225 = 894638^2 + 479315^2 .

It is an emirp because it is prime and its reverse (9620200210301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030120020269 - 2²⁴ = 1030103243053 is a prime.

It is a super-2 number, since 2×1030120020269² (a number of 25 digits) contains 22 as substring.

Together with 1030120020271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030120820269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515060010134 + 515060010135.

It is an arithmetic number, because the mean of its divisors is an integer number (515060010135).

Almost surely, 2^{1030120020269} is an apocalyptic number.

It is an amenable number.

1030120020269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030120020269 is an equidigital number, since it uses as much as digits as its factorization.

1030120020269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1030120020269 in words is "one trillion, thirty billion, one hundred twenty million, twenty thousand, two hundred sixty-nine".