220201022011020 has 192 divisors, whose sum is σ = 643794584509440. Its totient is φ = 56130158436352.

The previous prime is 220201022011001. The next prime is 220201022011031. The reversal of 220201022011020 is 20110220102022.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 26713695019 + ... + 26713703261.

It is an arithmetic number, because the mean of its divisors is an integer number (3353096794320).

Almost surely, 2^{220201022011020} is an apocalyptic number.

220201022011020 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 220201022011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321897292254720).

220201022011020 is an abundant number, since it is smaller than the sum of its proper divisors (423593562498420).

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

220201022011020 is a wasteful number, since it uses less digits than its factorization.

220201022011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18704 (or 18702 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220201022011020 its reverse (20110220102022), we get a palindrome (240311242113042).

The spelling of 220201022011020 in words is "two hundred twenty trillion, two hundred one billion, twenty-two million, eleven thousand, twenty".