20403014 has 16 divisors (see below), whose sum is σ = 31173120. Its totient is φ = 10013640.

The previous prime is 20403013. The next prime is 20403023. The reversal of 20403014 is 41030402.

It is a self number, because there is not a number n which added to its sum of digits gives 20403014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403011) 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 7 ways as a sum of consecutive naturals, for example, 41309 + ... + 41799.

It is an arithmetic number, because the mean of its divisors is an integer number (1948320).

Almost surely, 2^20403014 is an apocalyptic number.

20403014 is a deficient number, since it is larger than the sum of its proper divisors (10770106).

20403014 is a wasteful number, since it uses less digits than its factorization.

20403014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20403014 is about 4516.9695593395. The cubic root of 20403014 is about 273.2528975428.

Adding to 20403014 its reverse (41030402), we get a palindrome (61433416).

The spelling of 20403014 in words is "twenty million, four hundred three thousand, fourteen".