20308092 has 48 divisors (see below), whose sum is σ = 54378240. Its totient is φ = 5778432.

The previous prime is 20308073. The next prime is 20308097. The reversal of 20308092 is 29080302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20308097) 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, 34908 + ... + 35484.

It is an arithmetic number, because the mean of its divisors is an integer number (1132880).

Almost surely, 2^20308092 is an apocalyptic number.

It is an amenable number.

20308092 is an abundant number, since it is smaller than the sum of its proper divisors (34070148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20308092 is a wasteful number, since it uses less digits than its factorization.

20308092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20308092 is about 4506.4500441035. The cubic root of 20308092 is about 272.8284824766.

Adding to 20308092 its reverse (29080302), we get a palindrome (49388394).

The spelling of 20308092 in words is "twenty million, three hundred eight thousand, ninety-two".