120020215110225 has 24 divisors (see below), whose sum is σ = 200824186450272. Its totient is φ = 63239567155200.

The previous prime is 120020215110143. The next prime is 120020215110227. The reversal of 120020215110225 is 522011512020021.

It is not a de Polignac number, because 120020215110225 - 2¹⁹ = 120020214585937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120020215110195 and 120020215110204.

It is not an unprimeable number, because it can be changed into a prime (120020215110227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9640171696 + ... + 9640184145.

It is an arithmetic number, because the mean of its divisors is an integer number (8367674435428).

Almost surely, 2^{120020215110225} is an apocalyptic number.

120020215110225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120020215110225 is a deficient number, since it is larger than the sum of its proper divisors (80803971340047).

120020215110225 is a wasteful number, since it uses less digits than its factorization.

120020215110225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19280355937 (or 19280355932 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 120020215110225 its reverse (522011512020021), we get a palindrome (642031727130246).

The spelling of 120020215110225 in words is "one hundred twenty trillion, twenty billion, two hundred fifteen million, one hundred ten thousand, two hundred twenty-five".