10012020269 has 2 divisors, whose sum is σ = 10012020270. Its totient is φ = 10012020268.

The previous prime is 10012020257. The next prime is 10012020311. The reversal of 10012020269 is 96202021001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5305374244 + 4706646025 = 72838^2 + 68605^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012020269 - 2⁸ = 10012020013 is a prime.

It is a super-2 number, since 2×10012020269² (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 (10012020209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006010134 + 5006010135.

It is an arithmetic number, because the mean of its divisors is an integer number (5006010135).

Almost surely, 2^10012020269 is an apocalyptic number.

It is an amenable number.

10012020269 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012020269 is an equidigital number, since it uses as much as digits as its factorization.

10012020269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 10012020269 in words is "ten billion, twelve million, twenty thousand, two hundred sixty-nine".