20023313000203 has 4 divisors (see below), whose sum is σ = 20150850025840. Its totient is φ = 19895775974568.

The previous prime is 20023313000189. The next prime is 20023313000209. The reversal of 20023313000203 is 30200031332002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20023313000203 - 2⁹ = 20023312999691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023313000209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63768512583 + ... + 63768512896.

It is an arithmetic number, because the mean of its divisors is an integer number (5037712506460).

Almost surely, 2^{20023313000203} is an apocalyptic number.

20023313000203 is a deficient number, since it is larger than the sum of its proper divisors (127537025637).

20023313000203 is a wasteful number, since it uses less digits than its factorization.

20023313000203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127537025636.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20023313000203 its reverse (30200031332002), we get a palindrome (50223344332205).

The spelling of 20023313000203 in words is "twenty trillion, twenty-three billion, three hundred thirteen million, two hundred three", and thus it is an aban number.