23120110321220 has 24 divisors (see below), whose sum is σ = 52966070918208. Its totient is φ = 8407312844000.

The previous prime is 23120110321213. The next prime is 23120110321223. The reversal of 23120110321220 is 2212301102132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23120110321192 and 23120110321201.

It is not an unprimeable number, because it can be changed into a prime (23120110321223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52545705056 + ... + 52545705495.

It is an arithmetic number, because the mean of its divisors is an integer number (2206919621592).

Almost surely, 2^{23120110321220} is an apocalyptic number.

23120110321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120110321220 is an abundant number, since it is smaller than the sum of its proper divisors (29845960596988).

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

23120110321220 is a wasteful number, since it uses less digits than its factorization.

23120110321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105091410571 (or 105091410569 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23120110321220 its reverse (2212301102132), we get a palindrome (25332411423352).

The spelling of 23120110321220 in words is "twenty-three trillion, one hundred twenty billion, one hundred ten million, three hundred twenty-one thousand, two hundred twenty".