20302102223203 has 16 divisors (see below), whose sum is σ = 21243561956352. Its totient is φ = 19365597328000.

The previous prime is 20302102223141. The next prime is 20302102223279. The reversal of 20302102223203 is 30232220120302.

It is a cyclic number.

It is not a de Polignac number, because 20302102223203 - 2²⁵ = 20302068668771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302102227203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14709318 + ... + 16030228.

It is an arithmetic number, because the mean of its divisors is an integer number (1327722622272).

Almost surely, 2^{20302102223203} is an apocalyptic number.

20302102223203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20302102223203 is a deficient number, since it is larger than the sum of its proper divisors (941459733149).

20302102223203 is a wasteful number, since it uses less digits than its factorization.

20302102223203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322786.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20302102223203 its reverse (30232220120302), we get a palindrome (50534322343505).

The spelling of 20302102223203 in words is "twenty trillion, three hundred two billion, one hundred two million, two hundred twenty-three thousand, two hundred three".