220221323130000 has 100 divisors (see below), whose sum is σ = 710903794003568. Its totient is φ = 58725686160000.

The previous prime is 220221323129993. The next prime is 220221323130007. The reversal of 220221323130000 is 31323122022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220221323129993) and next prime (220221323130007).

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

It is a super-2 number, since 2×220221323130000² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220221323130007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3670325386 + ... + 3670385385.

Almost surely, 2^{220221323130000} is an apocalyptic number.

220221323130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221323130000 is an abundant number, since it is smaller than the sum of its proper divisors (490682470873568).

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

220221323130000 is an equidigital number, since it uses as much as digits as its factorization.

220221323130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340710802 (or 7340710781 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220221323130000 its reverse (31323122022), we get a palindrome (220252646252022).

The spelling of 220221323130000 in words is "two hundred twenty trillion, two hundred twenty-one billion, three hundred twenty-three million, one hundred thirty thousand".