220132311220 has 12 divisors (see below), whose sum is σ = 462277853604. Its totient is φ = 88052924480.

The previous prime is 220132311181. The next prime is 220132311221. The reversal of 220132311220 is 22113231022.

It can be written as a sum of positive squares in 2 ways, for example, as 136193473936 + 83938837284 = 369044^2 + 289722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220132311221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5503307761 + ... + 5503307800.

It is an arithmetic number, because the mean of its divisors is an integer number (38523154467).

Almost surely, 2^220132311220 is an apocalyptic number.

220132311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220132311220 is an abundant number, since it is smaller than the sum of its proper divisors (242145542384).

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

220132311220 is a wasteful number, since it uses less digits than its factorization.

220132311220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006615570 (or 11006615568 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220132311220 its reverse (22113231022), we get a palindrome (242245542242).

The spelling of 220132311220 in words is "two hundred twenty billion, one hundred thirty-two million, three hundred eleven thousand, two hundred twenty".