20447114 has 8 divisors (see below), whose sum is σ = 30754020. Its totient is φ = 10195776.

The previous prime is 20447111. The next prime is 20447131. The reversal of 20447114 is 41174402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18966025 + 1481089 = 4355^2 + 1217^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20447114.

It is not an unprimeable number, because it can be changed into a prime (20447111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12959 + ... + 14450.

Almost surely, 2^20447114 is an apocalyptic number.

20447114 is a deficient number, since it is larger than the sum of its proper divisors (10306906).

20447114 is a wasteful number, since it uses less digits than its factorization.

20447114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27784.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 20447114 is about 4521.8485158174. The cubic root of 20447114 is about 273.4496296051.

The spelling of 20447114 in words is "twenty million, four hundred forty-seven thousand, one hundred fourteen".