220200121210220 has 24 divisors (see below), whose sum is σ = 463493155382208. Its totient is φ = 87875686419200.

The previous prime is 220200121210217. The next prime is 220200121210241. The reversal of 220200121210220 is 22012121002022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12772620221 + ... + 12772637460.

It is an arithmetic number, because the mean of its divisors is an integer number (19312214807592).

Almost surely, 2^{220200121210220} is an apocalyptic number.

220200121210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200121210220 is an abundant number, since it is smaller than the sum of its proper divisors (243293034171988).

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

220200121210220 is a wasteful number, since it uses less digits than its factorization.

220200121210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25545258121 (or 25545258119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220200121210220 its reverse (22012121002022), we get a palindrome (242212242212242).

The spelling of 220200121210220 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty".