20014443 has 12 divisors (see below), whose sum is σ = 29455920. Its totient is φ = 13090896.

The previous prime is 20014427. The next prime is 20014453. The reversal of 20014443 is 34441002.

It is not a de Polignac number, because 20014443 - 2⁴ = 20014427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20014453) 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 11 ways as a sum of consecutive naturals, for example, 20503 + ... + 21456.

It is an arithmetic number, because the mean of its divisors is an integer number (2454660).

Almost surely, 2^20014443 is an apocalyptic number.

20014443 is a deficient number, since it is larger than the sum of its proper divisors (9441477).

20014443 is a wasteful number, since it uses less digits than its factorization.

20014443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42018 (or 42015 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 20014443 is about 4473.7504400670. The cubic root of 20014443 is about 271.5070864933.

Adding to 20014443 its reverse (34441002), we get a palindrome (54455445).

The spelling of 20014443 in words is "twenty million, fourteen thousand, four hundred forty-three".