20142003 has 8 divisors (see below), whose sum is σ = 30692608. Its totient is φ = 11509704.

The previous prime is 20141939. The next prime is 20142007. The reversal of 20142003 is 30024102.

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

It is not a de Polignac number, because 20142003 - 2⁶ = 20141939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20142003.

It is not an unprimeable number, because it can be changed into a prime (20142007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479551 + ... + 479592.

It is an arithmetic number, because the mean of its divisors is an integer number (3836576).

Almost surely, 2^20142003 is an apocalyptic number.

20142003 is a deficient number, since it is larger than the sum of its proper divisors (10550605).

20142003 is an equidigital number, since it uses as much as digits as its factorization.

20142003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959153.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20142003 is about 4487.9842914164. The cubic root of 20142003 is about 272.0826729303.

Adding to 20142003 its reverse (30024102), we get a palindrome (50166105).

The spelling of 20142003 in words is "twenty million, one hundred forty-two thousand, three".