220201211220020 has 96 divisors (see below), whose sum is σ = 475399727873280. Its totient is φ = 85641370214400.

The previous prime is 220201211220013. The next prime is 220201211220113. The reversal of 220201211220020 is 20022112102022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65423444 + ... + 68706836.

It is an arithmetic number, because the mean of its divisors is an integer number (4952080498680).

Almost surely, 2^{220201211220020} is an apocalyptic number.

220201211220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201211220020 is an abundant number, since it is smaller than the sum of its proper divisors (255198516653260).

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

220201211220020 is a wasteful number, since it uses less digits than its factorization.

220201211220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284025 (or 3284023 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220201211220020 its reverse (20022112102022), we get a palindrome (240223323322042).

The spelling of 220201211220020 in words is "two hundred twenty trillion, two hundred one billion, two hundred eleven million, two hundred twenty thousand, twenty".