20314345 has 4 divisors (see below), whose sum is σ = 24377220. Its totient is φ = 16251472.

The previous prime is 20314321. The next prime is 20314351. The reversal of 20314345 is 54341302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7469289 + 12845056 = 2733^2 + 3584^2 .

It is a cyclic number.

It is not a de Polignac number, because 20314345 - 2¹⁵ = 20281577 is a prime.

It is a super-2 number, since 2×20314345² = 825345225558050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031430 + ... + 2031439.

It is an arithmetic number, because the mean of its divisors is an integer number (6094305).

Almost surely, 2^20314345 is an apocalyptic number.

It is an amenable number.

20314345 is a deficient number, since it is larger than the sum of its proper divisors (4062875).

20314345 is an equidigital number, since it uses as much as digits as its factorization.

20314345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062874.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20314345 is about 4507.1437740547. The cubic root of 20314345 is about 272.8564815198.

Adding to 20314345 its reverse (54341302), we get a palindrome (74655647).

The spelling of 20314345 in words is "twenty million, three hundred fourteen thousand, three hundred forty-five".