20301303223 has 4 divisors (see below), whose sum is σ = 20302492608. Its totient is φ = 20300113840.

The previous prime is 20301303181. The next prime is 20301303271. The reversal of 20301303223 is 32230310302.

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 20301303223 - 2³³ = 11711368631 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 20301303223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301303023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568711 + ... + 603352.

It is an arithmetic number, because the mean of its divisors is an integer number (5075623152).

Almost surely, 2^20301303223 is an apocalyptic number.

20301303223 is a deficient number, since it is larger than the sum of its proper divisors (1189385).

20301303223 is a wasteful number, since it uses less digits than its factorization.

20301303223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189384.

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

Adding to 20301303223 its reverse (32230310302), we get a palindrome (52531613525).

The spelling of 20301303223 in words is "twenty billion, three hundred one million, three hundred three thousand, two hundred twenty-three".