20634314 has 4 divisors (see below), whose sum is σ = 30951474. Its totient is φ = 10317156.

The previous prime is 20634293. The next prime is 20634319. The reversal of 20634314 is 41343602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 8614225 = 3467^2 + 2935^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20634314.

It is not an unprimeable number, because it can be changed into a prime (20634319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5158577 + ... + 5158580.

Almost surely, 2^20634314 is an apocalyptic number.

20634314 is a deficient number, since it is larger than the sum of its proper divisors (10317160).

20634314 is a wasteful number, since it uses less digits than its factorization.

20634314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10317159.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 20634314 is about 4542.5008530544. The cubic root of 20634314 is about 274.2816026118.

Adding to 20634314 its reverse (41343602), we get a palindrome (61977916).

The spelling of 20634314 in words is "twenty million, six hundred thirty-four thousand, three hundred fourteen".