220312020422225 has 12 divisors (see below), whose sum is σ = 273189424524144. Its totient is φ = 176247991047120.

The previous prime is 220312020422161. The next prime is 220312020422243. The reversal of 220312020422225 is 522224020213022.

It is not a de Polignac number, because 220312020422225 - 2⁶ = 220312020422161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37863299 + ... + 43292648.

It is an arithmetic number, because the mean of its divisors is an integer number (22765785377012).

Almost surely, 2^{220312020422225} is an apocalyptic number.

220312020422225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220312020422225 is a deficient number, since it is larger than the sum of its proper divisors (52877404101919).

220312020422225 is a wasteful number, since it uses less digits than its factorization.

220312020422225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81264544 (or 81264539 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 220312020422225 its reverse (522224020213022), we get a palindrome (742536040635247).

The spelling of 220312020422225 in words is "two hundred twenty trillion, three hundred twelve billion, twenty million, four hundred twenty-two thousand, two hundred twenty-five".