20314245 has 16 divisors (see below), whose sum is σ = 37146240. Its totient is φ = 9286464.

The previous prime is 20314241. The next prime is 20314247. The reversal of 20314245 is 54241302.

It is not a de Polignac number, because 20314245 - 2² = 20314241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20314241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96630 + ... + 96839.

It is an arithmetic number, because the mean of its divisors is an integer number (2321640).

Almost surely, 2^20314245 is an apocalyptic number.

It is an amenable number.

20314245 is a deficient number, since it is larger than the sum of its proper divisors (16831995).

20314245 is a wasteful number, since it uses less digits than its factorization.

20314245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193484.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20314245 is about 4507.1326805409. The cubic root of 20314245 is about 272.8560337952.

Adding to 20314245 its reverse (54241302), we get a palindrome (74555547).

The spelling of 20314245 in words is "twenty million, three hundred fourteen thousand, two hundred forty-five".