20023310230203 has 64 divisors (see below), whose sum is σ = 31886971748352. Its totient is φ = 10927698249600.

The previous prime is 20023310230201. The next prime is 20023310230219. The reversal of 20023310230203 is 30203201332002.

It is not a de Polignac number, because 20023310230203 - 2¹ = 20023310230201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20023310230203.

It is not an unprimeable number, because it can be changed into a prime (20023310230201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1769306901 + ... + 1769318217.

It is an arithmetic number, because the mean of its divisors is an integer number (498233933568).

Almost surely, 2^{20023310230203} is an apocalyptic number.

20023310230203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20023310230203 is a deficient number, since it is larger than the sum of its proper divisors (11863661518149).

20023310230203 is a wasteful number, since it uses less digits than its factorization.

20023310230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16624.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20023310230203 its reverse (30203201332002), we get a palindrome (50226511562205).

The spelling of 20023310230203 in words is "twenty trillion, twenty-three billion, three hundred ten million, two hundred thirty thousand, two hundred three".