20060206 has 4 divisors (see below), whose sum is σ = 30090312. Its totient is φ = 10030102.

The previous prime is 20060197. The next prime is 20060213. The reversal of 20060206 is 60206002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60206002 = 2 ⋅30103001.

It is a self number, because there is not a number n which added to its sum of digits gives 20060206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015050 + ... + 5015053.

It is an arithmetic number, because the mean of its divisors is an integer number (7522578).

Almost surely, 2^20060206 is an apocalyptic number.

20060206 is a deficient number, since it is larger than the sum of its proper divisors (10030106).

20060206 is a wasteful number, since it uses less digits than its factorization.

20060206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030105.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20060206 is about 4478.8621322832. The cubic root of 20060206 is about 271.7138625185.

Adding to 20060206 its reverse (60206002), we get a palindrome (80266208).

It can be divided in two parts, 200 and 60206, that added together give a palindrome (60406).

The spelling of 20060206 in words is "twenty million, sixty thousand, two hundred six".