2220221133020 has 96 divisors (see below), whose sum is σ = 5139904787136. Its totient is φ = 798852096000.

The previous prime is 2220221132981. The next prime is 2220221133029. The reversal of 2220221133020 is 203311220222.

It is a happy number.

It is a super-2 number, since 2×2220221133020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2220221132983 and 2220221133001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221133029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130186814 + ... + 130203866.

It is an arithmetic number, because the mean of its divisors is an integer number (53540674866).

Almost surely, 2^{2220221133020} is an apocalyptic number.

2220221133020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220221133020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2569952393568).

2220221133020 is an abundant number, since it is smaller than the sum of its proper divisors (2919683654116).

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

2220221133020 is a wasteful number, since it uses less digits than its factorization.

2220221133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271 (or 23269 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2220221133020 its reverse (203311220222), we get a palindrome (2423532353242).

The spelling of 2220221133020 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, one hundred thirty-three thousand, twenty".