220001201202020 has 192 divisors, whose sum is σ = 558307115788800. Its totient is φ = 71135828398080.

The previous prime is 220001201201987. The next prime is 220001201202037. The reversal of 220001201202020 is 20202102100022.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 220001201201986 and 220001201202004.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4459489274 + ... + 4459538606.

It is an arithmetic number, because the mean of its divisors is an integer number (2907849561400).

Almost surely, 2^{220001201202020} is an apocalyptic number.

220001201202020 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 220001201202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279153557894400).

220001201202020 is an abundant number, since it is smaller than the sum of its proper divisors (338305914586780).

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

220001201202020 is a wasteful number, since it uses less digits than its factorization.

220001201202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56918 (or 56916 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220001201202020 its reverse (20202102100022), we get a palindrome (240203303302042).

The spelling of 220001201202020 in words is "two hundred twenty trillion, one billion, two hundred one million, two hundred two thousand, twenty".