20092389 has 16 divisors (see below), whose sum is σ = 27909120. Its totient is φ = 12841920.

The previous prime is 20092379. The next prime is 20092399. The reversal of 20092389 is 98329002.

It is an interprime number because it is at equal distance from previous prime (20092379) and next prime (20092399).

It is not a de Polignac number, because 20092389 - 2⁵ = 20092357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12924 + ... + 14394.

It is an arithmetic number, because the mean of its divisors is an integer number (1744320).

Almost surely, 2^20092389 is an apocalyptic number.

20092389 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20092389 is a deficient number, since it is larger than the sum of its proper divisors (7816731).

20092389 is a wasteful number, since it uses less digits than its factorization.

20092389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 20092389 is about 4482.4534576502. The cubic root of 20092389 is about 271.8590902567.

The spelling of 20092389 in words is "twenty million, ninety-two thousand, three hundred eighty-nine".