20514006 has 16 divisors (see below), whose sum is σ = 45586800. Its totient is φ = 6837984.

The previous prime is 20513989. The next prime is 20514007. The reversal of 20514006 is 60041502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20514006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189891 + ... + 189998.

It is an arithmetic number, because the mean of its divisors is an integer number (2849175).

Almost surely, 2^20514006 is an apocalyptic number.

20514006 is an abundant number, since it is smaller than the sum of its proper divisors (25072794).

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

20514006 is a wasteful number, since it uses less digits than its factorization.

20514006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379900 (or 379894 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 20514006 is about 4529.2390089285. The cubic root of 20514006 is about 273.7474985697.

Adding to 20514006 its reverse (60041502), we get a palindrome (80555508).

The spelling of 20514006 in words is "twenty million, five hundred fourteen thousand, six".