23220110013540 has 96 divisors (see below), whose sum is σ = 71096158909440. Its totient is φ = 5615682864000.

The previous prime is 23220110013449. The next prime is 23220110013557. The reversal of 23220110013540 is 4531001102232.

It is a self number, because there is not a number n which added to its sum of digits gives 23220110013540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41706736 + ... + 42259815.

It is an arithmetic number, because the mean of its divisors is an integer number (740584988640).

Almost surely, 2^{23220110013540} is an apocalyptic number.

23220110013540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220110013540 is an abundant number, since it is smaller than the sum of its proper divisors (47876048895900).

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

23220110013540 is a wasteful number, since it uses less digits than its factorization.

23220110013540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83966993 (or 83966991 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23220110013540 its reverse (4531001102232), we get a palindrome (27751111115772).

The spelling of 23220110013540 in words is "twenty-three trillion, two hundred twenty billion, one hundred ten million, thirteen thousand, five hundred forty".