20301449 has 4 divisors (see below), whose sum is σ = 23201664. Its totient is φ = 17401236.

The previous prime is 20301409. The next prime is 20301517. The reversal of 20301449 is 94410302.

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 20301449 - 2¹² = 20297353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1450097 + ... + 1450110.

It is an arithmetic number, because the mean of its divisors is an integer number (5800416).

Almost surely, 2^20301449 is an apocalyptic number.

It is an amenable number.

20301449 is a deficient number, since it is larger than the sum of its proper divisors (2900215).

20301449 is an equidigital number, since it uses as much as digits as its factorization.

20301449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2900214.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20301449 is about 4505.7129291600. The cubic root of 20301449 is about 272.7987308343.

The spelling of 20301449 in words is "twenty million, three hundred one thousand, four hundred forty-nine".