20102003203 has 8 divisors (see below), whose sum is σ = 20124910080. Its totient is φ = 20079113160.

The previous prime is 20102003183. The next prime is 20102003213. The reversal of 20102003203 is 30230020102.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102003203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102003213) 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, 5474058 + ... + 5477728.

It is an arithmetic number, because the mean of its divisors is an integer number (2515613760).

Almost surely, 2^20102003203 is an apocalyptic number.

20102003203 is a deficient number, since it is larger than the sum of its proper divisors (22906877).

20102003203 is a wasteful number, since it uses less digits than its factorization.

20102003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20102003203 its reverse (30230020102), we get a palindrome (50332023305).

The spelling of 20102003203 in words is "twenty billion, one hundred two million, three thousand, two hundred three".