220032120310000 has 100 divisors (see below), whose sum is σ = 532729672873200. Its totient is φ = 88011211456000.

The previous prime is 220032120309941. The next prime is 220032120310061. The reversal of 220032120310000 is 13021230022.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×220032120310000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 636717261 + ... + 637062739.

It is an arithmetic number, because the mean of its divisors is an integer number (5327296728732).

Almost surely, 2^{220032120310000} is an apocalyptic number.

220032120310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220032120310000 is an abundant number, since it is smaller than the sum of its proper divisors (312697552563200).

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

220032120310000 is an equidigital number, since it uses as much as digits as its factorization.

220032120310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409196 (or 409175 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 220032120310000 its reverse (13021230022), we get a palindrome (220045141540022).

The spelling of 220032120310000 in words is "two hundred twenty trillion, thirty-two billion, one hundred twenty million, three hundred ten thousand".