23120221130020 has 48 divisors (see below), whose sum is σ = 55489102099200. Its totient is φ = 7926851332224.

The previous prime is 23120221129991. The next prime is 23120221130029. The reversal of 23120221130020 is 2003112202132.

It is a self number, because there is not a number n which added to its sum of digits gives 23120221130020.

It is not an unprimeable number, because it can be changed into a prime (23120221130029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13677282 + ... + 15274438.

It is an arithmetic number, because the mean of its divisors is an integer number (1156022960400).

Almost surely, 2^{23120221130020} is an apocalyptic number.

23120221130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120221130020 is an abundant number, since it is smaller than the sum of its proper divisors (32368880969180).

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

23120221130020 is a wasteful number, since it uses less digits than its factorization.

23120221130020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700572 (or 1700570 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23120221130020 its reverse (2003112202132), we get a palindrome (25123333332152).

The spelling of 23120221130020 in words is "twenty-three trillion, one hundred twenty billion, two hundred twenty-one million, one hundred thirty thousand, twenty".