20053306 has 16 divisors (see below), whose sum is σ = 37021824. Its totient is φ = 7933104.

The previous prime is 20053291. The next prime is 20053307. The reversal of 20053306 is 60335002.

It is not an unprimeable number, because it can be changed into a prime (20053307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54910 + ... + 55273.

It is an arithmetic number, because the mean of its divisors is an integer number (2313864).

Almost surely, 2^20053306 is an apocalyptic number.

20053306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20053306 is a deficient number, since it is larger than the sum of its proper divisors (16968518).

20053306 is a wasteful number, since it uses less digits than its factorization.

20053306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110205.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 20053306 is about 4478.0917811050. The cubic root of 20053306 is about 271.6827056326.

Adding to 20053306 its reverse (60335002), we get a palindrome (80388308).

The spelling of 20053306 in words is "twenty million, fifty-three thousand, three hundred six".