23321220130020 has 48 divisors (see below), whose sum is σ = 65299883362560. Its totient is φ = 6218947558656.

The previous prime is 23321220130001. The next prime is 23321220130139. The reversal of 23321220130020 is 2003102212332.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7544341 + ... + 10176419.

It is an arithmetic number, because the mean of its divisors is an integer number (1360414236720).

Almost surely, 2^{23321220130020} is an apocalyptic number.

23321220130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321220130020 is an abundant number, since it is smaller than the sum of its proper divisors (41978663232540).

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

23321220130020 is a wasteful number, since it uses less digits than its factorization.

23321220130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779764 (or 2779762 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23321220130020 its reverse (2003102212332), we get a palindrome (25324322342352).

The spelling of 23321220130020 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twenty million, one hundred thirty thousand, twenty".