220112230123220 has 24 divisors (see below), whose sum is σ = 467429342625000. Its totient is φ = 87055623598592.

The previous prime is 220112230123127. The next prime is 220112230123223. The reversal of 220112230123220 is 22321032211022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52475536 + 220112177647684 = 7244^2 + 14836178^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112230123223) 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, 61829276345 + ... + 61829279904.

It is an arithmetic number, because the mean of its divisors is an integer number (19476222609375).

Almost surely, 2^{220112230123220} is an apocalyptic number.

220112230123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220112230123220 is an abundant number, since it is smaller than the sum of its proper divisors (247317112501780).

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

220112230123220 is a wasteful number, since it uses less digits than its factorization.

220112230123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123658556347 (or 123658556345 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 220112230123220 its reverse (22321032211022), we get a palindrome (242433262334242).

The spelling of 220112230123220 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred thirty million, one hundred twenty-three thousand, two hundred twenty".