20314545 has 8 divisors (see below), whose sum is σ = 32503296. Its totient is φ = 10834416.

The previous prime is 20314537. The next prime is 20314549. The reversal of 20314545 is 54541302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20314545 - 2³ = 20314537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20314549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677137 + ... + 677166.

It is an arithmetic number, because the mean of its divisors is an integer number (4062912).

Almost surely, 2^20314545 is an apocalyptic number.

It is an amenable number.

20314545 is a deficient number, since it is larger than the sum of its proper divisors (12188751).

20314545 is a wasteful number, since it uses less digits than its factorization.

20314545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354311.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 20314545 is about 4507.1659610003. The cubic root of 20314545 is about 272.8573769645.

Adding to 20314545 its reverse (54541302), we get a palindrome (74855847).

The spelling of 20314545 in words is "twenty million, three hundred fourteen thousand, five hundred forty-five".