20092769 has 2 divisors, whose sum is σ = 20092770. Its totient is φ = 20092768.

The previous prime is 20092741. The next prime is 20092783. The reversal of 20092769 is 96729002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11478544 + 8614225 = 3388^2 + 2935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20092769 is a prime.

It is a super-2 number, since 2×20092769² = 807438732174722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20092069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046384 + 10046385.

It is an arithmetic number, because the mean of its divisors is an integer number (10046385).

Almost surely, 2^20092769 is an apocalyptic number.

It is an amenable number.

20092769 is a deficient number, since it is larger than the sum of its proper divisors (1).

20092769 is an equidigital number, since it uses as much as digits as its factorization.

20092769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 20092769 is about 4482.4958449507. The cubic root of 20092769 is about 271.8608041031.

The spelling of 20092769 in words is "twenty million, ninety-two thousand, seven hundred sixty-nine".