220120122200200 has 24 divisors (see below), whose sum is σ = 511779284115930. Its totient is φ = 88048048880000.

The previous prime is 220120122200117. The next prime is 220120122200207. The reversal of 220120122200200 is 2002221021022.

It can be written as a sum of positive squares in 3 ways, for example, as 207932189381316 + 12187932818884 = 14419854^2 + 3491122^2 .

It is not an unprimeable number, because it can be changed into a prime (220120122200207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550300305301 + ... + 550300305700.

Almost surely, 2^{220120122200200} is an apocalyptic number.

220120122200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220120122200200 is an abundant number, since it is smaller than the sum of its proper divisors (291659161915730).

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

220120122200200 is a wasteful number, since it uses less digits than its factorization.

220120122200200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100600611017 (or 1100600611008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220120122200200 its reverse (2002221021022), we get a palindrome (222122343221222).

The spelling of 220120122200200 in words is "two hundred twenty trillion, one hundred twenty billion, one hundred twenty-two million, two hundred thousand, two hundred".