20314249 has 4 divisors (see below), whose sum is σ = 21383440. Its totient is φ = 19245060.

The previous prime is 20314247. The next prime is 20314253. The reversal of 20314249 is 94241302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20314249 - 2¹ = 20314247 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 534567 + ... + 534604.

It is an arithmetic number, because the mean of its divisors is an integer number (5345860).

Almost surely, 2^20314249 is an apocalyptic number.

It is an amenable number.

20314249 is a deficient number, since it is larger than the sum of its proper divisors (1069191).

20314249 is a wasteful number, since it uses less digits than its factorization.

20314249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069190.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20314249 is about 4507.1331242820. The cubic root of 20314249 is about 272.8560517042.

The spelling of 20314249 in words is "twenty million, three hundred fourteen thousand, two hundred forty-nine".