220101202202220 has 240 divisors, whose sum is σ = 707809231150560. Its totient is φ = 57232933115904.

The previous prime is 220101202202213. The next prime is 220101202202263. The reversal of 220101202202220 is 22202202101022.

220101202202220 is a `hidden beast` number, since 2 + 201 + 0 + 1 + 20 + 220 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220101202202193 and 220101202202202.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6131716 + ... + 21858644.

It is an arithmetic number, because the mean of its divisors is an integer number (2949205129794).

Almost surely, 2^{220101202202220} is an apocalyptic number.

220101202202220 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 220101202202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353904615575280).

220101202202220 is an abundant number, since it is smaller than the sum of its proper divisors (487708028948340).

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

220101202202220 is a wasteful number, since it uses less digits than its factorization.

220101202202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727166 (or 15727155 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220101202202220 its reverse (22202202101022), we get a palindrome (242303404303242).

The spelling of 220101202202220 in words is "two hundred twenty trillion, one hundred one billion, two hundred two million, two hundred two thousand, two hundred twenty".