220102012210020 has 192 divisors, whose sum is σ = 640302967664640. Its totient is φ = 56449513036800.

The previous prime is 220102012209997. The next prime is 220102012210027. The reversal of 220102012210020 is 20012210201022.

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

It is not an unprimeable number, because it can be changed into a prime (220102012210027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124079935 + ... + 125841305.

It is an arithmetic number, because the mean of its divisors is an integer number (3334911289920).

Almost surely, 2^{220102012210020} is an apocalyptic number.

220102012210020 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 220102012210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320151483832320).

220102012210020 is an abundant number, since it is smaller than the sum of its proper divisors (420200955454620).

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

220102012210020 is a wasteful number, since it uses less digits than its factorization.

220102012210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762146 (or 1762144 counting only the distinct ones).

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

Adding to 220102012210020 its reverse (20012210201022), we get a palindrome (240114222411042).

The spelling of 220102012210020 in words is "two hundred twenty trillion, one hundred two billion, twelve million, two hundred ten thousand, twenty".