23305063304220 has 48 divisors (see below), whose sum is σ = 67359150716928. Its totient is φ = 6014209884480.

The previous prime is 23305063304209. The next prime is 23305063304221. The reversal of 23305063304220 is 2240336050332.

It is a super-2 number, since 2×23305063304220² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23305063304221) 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, 6264800104 + ... + 6264803823.

It is an arithmetic number, because the mean of its divisors is an integer number (1403315639936).

Almost surely, 2^{23305063304220} is an apocalyptic number.

23305063304220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23305063304220 is an abundant number, since it is smaller than the sum of its proper divisors (44054087412708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23305063304220 is a wasteful number, since it uses less digits than its factorization.

23305063304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529603970 (or 12529603968 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 23305063304220 its reverse (2240336050332), we get a palindrome (25545399354552).

The spelling of 23305063304220 in words is "twenty-three trillion, three hundred five billion, sixty-three million, three hundred four thousand, two hundred twenty".