20014003 has 8 divisors (see below), whose sum is σ = 21219200. Its totient is φ = 18843840.

The previous prime is 20013997. The next prime is 20014009. The reversal of 20014003 is 30041002.

It is an interprime number because it is at equal distance from previous prime (20013997) and next prime (20014009).

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

It is a cyclic number.

It is not a de Polignac number, because 20014003 - 2⁵ = 20013971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014009) 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, 7578 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (2652400).

Almost surely, 2^20014003 is an apocalyptic number.

20014003 is a deficient number, since it is larger than the sum of its proper divisors (1205197).

20014003 is a wasteful number, since it uses less digits than its factorization.

20014003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20014003 is about 4473.7012640542. The cubic root of 20014003 is about 271.5050968636.

Adding to 20014003 its reverse (30041002), we get a palindrome (50055005).

It can be divided in two parts, 2001 and 4003, that multiplied together give a triangular number (8010003 = T₄₀₀₂).

The spelling of 20014003 in words is "twenty million, fourteen thousand, three".