20066414 has 4 divisors (see below), whose sum is σ = 30099624. Its totient is φ = 10033206.

The previous prime is 20066401. The next prime is 20066429. The reversal of 20066414 is 41466002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20066414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016602 + ... + 5016605.

It is an arithmetic number, because the mean of its divisors is an integer number (7524906).

Almost surely, 2^20066414 is an apocalyptic number.

20066414 is a deficient number, since it is larger than the sum of its proper divisors (10033210).

20066414 is a wasteful number, since it uses less digits than its factorization.

20066414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033209.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20066414 is about 4479.5551118387. Note that the first 3 decimals coincide. The cubic root of 20066414 is about 271.7418885797.

The spelling of 20066414 in words is "twenty million, sixty-six thousand, four hundred fourteen".