920092009 has 2 divisors, whose sum is σ = 920092010. Its totient is φ = 920092008.

The previous prime is 920091989. The next prime is 920092021. The reversal of 920092009 is 900290029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480267225 + 439824784 = 21915^2 + 20972^2 .

It is a cyclic number.

It is not a de Polignac number, because 920092009 - 2¹⁵ = 920059241 is a prime.

It is not a weakly prime, because it can be changed into another prime (920092109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460046004 + 460046005.

It is an arithmetic number, because the mean of its divisors is an integer number (460046005).

Almost surely, 2^920092009 is an apocalyptic number.

It is an amenable number.

920092009 is a deficient number, since it is larger than the sum of its proper divisors (1).

920092009 is an equidigital number, since it uses as much as digits as its factorization.

920092009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 920092009 is about 30333.0184617357. The cubic root of 920092009 is about 972.6212479371.

It can be divided in two parts, 9 and 20092009, that multiplied together give a palindrome (180828081).

The spelling of 920092009 in words is "nine hundred twenty million, ninety-two thousand, nine".