220201220222020 has 96 divisors (see below), whose sum is σ = 464902620579936. Its totient is φ = 87609035980800.

The previous prime is 220201220221991. The next prime is 220201220222023. The reversal of 220201220222020 is 20222022102022.

It can be written as a sum of positive squares in 16 ways, for example, as 1683703475776 + 218517516746244 = 1297576^2 + 14782338^2 .

It is not an unprimeable number, because it can be changed into a prime (220201220222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23880401010 + ... + 23880410230.

It is an arithmetic number, because the mean of its divisors is an integer number (4842735631041).

Almost surely, 2^{220201220222020} is an apocalyptic number.

220201220222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220201220222020 is an abundant number, since it is smaller than the sum of its proper divisors (244701400357916).

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

220201220222020 is a wasteful number, since it uses less digits than its factorization.

220201220222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921 (or 14919 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220201220222020 its reverse (20222022102022), we get a palindrome (240423242324042).

The spelling of 220201220222020 in words is "two hundred twenty trillion, two hundred one billion, two hundred twenty million, two hundred twenty-two thousand, twenty".