20201306 has 8 divisors (see below), whose sum is σ = 30461184. Its totient is φ = 10047580.

The previous prime is 20201303. The next prime is 20201329. The reversal of 20201306 is 60310202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20201303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26060 + ... + 26823.

It is an arithmetic number, because the mean of its divisors is an integer number (3807648).

Almost surely, 2^20201306 is an apocalyptic number.

20201306 is a deficient number, since it is larger than the sum of its proper divisors (10259878).

20201306 is a wasteful number, since it uses less digits than its factorization.

20201306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53076.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20201306 is about 4494.5862990936. The cubic root of 20201306 is about 272.3494373489.

Adding to 20201306 its reverse (60310202), we get a palindrome (80511508).

The spelling of 20201306 in words is "twenty million, two hundred one thousand, three hundred six".