220220012200020 has 192 divisors, whose sum is σ = 710129541445632. Its totient is φ = 49948516800000.

The previous prime is 220220012199997. The next prime is 220220012200073. The reversal of 220220012200020 is 20002210022022.

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

It is a congruent number.

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, 905012370 + ... + 905255670.

It is an arithmetic number, because the mean of its divisors is an integer number (3698591361696).

Almost surely, 2^{220220012200020} is an apocalyptic number.

220220012200020 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 220220012200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355064770722816).

220220012200020 is an abundant number, since it is smaller than the sum of its proper divisors (489909529245612).

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

220220012200020 is a wasteful number, since it uses less digits than its factorization.

220220012200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259902 (or 259900 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220220012200020 its reverse (20002210022022), we get a palindrome (240222222222042).

The spelling of 220220012200020 in words is "two hundred twenty trillion, two hundred twenty billion, twelve million, two hundred thousand, twenty".