20376249 has 4 divisors (see below), whose sum is σ = 27168336. Its totient is φ = 13584164.

The previous prime is 20376211. The next prime is 20376253. The reversal of 20376249 is 94267302.

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 20376249 - 2⁷ = 20376121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20376289) 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, 3396039 + ... + 3396044.

It is an arithmetic number, because the mean of its divisors is an integer number (6792084).

Almost surely, 2^20376249 is an apocalyptic number.

It is an amenable number.

20376249 is a deficient number, since it is larger than the sum of its proper divisors (6792087).

20376249 is an equidigital number, since it uses as much as digits as its factorization.

20376249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792086.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 20376249 is about 4514.0058706209. The cubic root of 20376249 is about 273.1333594168.

The spelling of 20376249 in words is "twenty million, three hundred seventy-six thousand, two hundred forty-nine".