20014263 has 16 divisors (see below), whose sum is σ = 30674400. Its totient is φ = 12882240.

The previous prime is 20014259. The next prime is 20014271. The reversal of 20014263 is 36241002.

It is a happy number.

It is not a de Polignac number, because 20014263 - 2² = 20014259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014213) 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 15 ways as a sum of consecutive naturals, for example, 11998 + ... + 13563.

It is an arithmetic number, because the mean of its divisors is an integer number (1917150).

Almost surely, 2^20014263 is an apocalyptic number.

20014263 is a deficient number, since it is larger than the sum of its proper divisors (10660137).

20014263 is a wasteful number, since it uses less digits than its factorization.

20014263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25599 (or 25593 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20014263 is about 4473.7303226726. The cubic root of 20014263 is about 271.5062725574.

Adding to 20014263 its reverse (36241002), we get a palindrome (56255265).

The spelling of 20014263 in words is "twenty million, fourteen thousand, two hundred sixty-three".