20806092 has 48 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 6903504.

The previous prime is 20806091. The next prime is 20806117. The reversal of 20806092 is 29060802.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20806091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41113 + ... + 41615.

It is an arithmetic number, because the mean of its divisors is an integer number (1128960).

Almost surely, 2^20806092 is an apocalyptic number.

It is an amenable number.

20806092 is an abundant number, since it is smaller than the sum of its proper divisors (33383988).

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

20806092 is a wasteful number, since it uses less digits than its factorization.

20806092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20806092 is about 4561.3695311825. The cubic root of 20806092 is about 275.0406198951.

Adding to 20806092 its reverse (29060802), we get a palindrome (49866894).

The spelling of 20806092 in words is "twenty million, eight hundred six thousand, ninety-two".