20650014 has 96 divisors (see below), whose sum is σ = 57148416. Its totient is φ = 5232960.

The previous prime is 20650013. The next prime is 20650027. The reversal of 20650014 is 41005602.

It is a happy number.

20650014 is a `hidden beast` number, since 2 + 0 + 650 + 0 + 14 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20650013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64984 + ... + 65300.

It is an arithmetic number, because the mean of its divisors is an integer number (595296).

Almost surely, 2^20650014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20650014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28574208).

20650014 is an abundant number, since it is smaller than the sum of its proper divisors (36498402).

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

20650014 is a wasteful number, since it uses less digits than its factorization.

20650014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

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

The square root of 20650014 is about 4544.2286474164. The cubic root of 20650014 is about 274.3511490554.

Adding to 20650014 its reverse (41005602), we get a palindrome (61655616).

The spelling of 20650014 in words is "twenty million, six hundred fifty thousand, fourteen".