20406014 has 8 divisors (see below), whose sum is σ = 31939920. Its totient is φ = 9759376.

The previous prime is 20406011. The next prime is 20406017. The reversal of 20406014 is 41060402.

It is an interprime number because it is at equal distance from previous prime (20406011) and next prime (20406017).

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

It is a super-3 number, since 3×20406014³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20405983 and 20406001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20406011) 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, 221759 + ... + 221850.

It is an arithmetic number, because the mean of its divisors is an integer number (3992490).

Almost surely, 2^20406014 is an apocalyptic number.

20406014 is a deficient number, since it is larger than the sum of its proper divisors (11533906).

20406014 is a wasteful number, since it uses less digits than its factorization.

20406014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443634.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20406014 is about 4517.3016281847. The cubic root of 20406014 is about 273.2662896576.

Adding to 20406014 its reverse (41060402), we get a palindrome (61466416).

The spelling of 20406014 in words is "twenty million, four hundred six thousand, fourteen".