220001210220 has 288 divisors, whose sum is σ = 718255387584. Its totient is φ = 50103173120.

The previous prime is 220001210201. The next prime is 220001210267. The reversal of 220001210220 is 22012100022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220001210196 and 220001210205.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83554024 + ... + 83556656.

It is an arithmetic number, because the mean of its divisors is an integer number (2493942318).

Almost surely, 2^220001210220 is an apocalyptic number.

220001210220 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 220001210220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359127693792).

220001210220 is an abundant number, since it is smaller than the sum of its proper divisors (498254177364).

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

220001210220 is a wasteful number, since it uses less digits than its factorization.

220001210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 220001210220 its reverse (22012100022), we get a palindrome (242013310242).

The spelling of 220001210220 in words is "two hundred twenty billion, one million, two hundred ten thousand, two hundred twenty".