220220202210020 has 48 divisors (see below), whose sum is σ = 466473589627248. Its totient is φ = 87325803847680.

The previous prime is 220220202210017. The next prime is 220220202210083. The reversal of 220220202210020 is 20012202022022.

It can be written as a sum of positive squares in 8 ways, for example, as 16521997455076 + 203698204754944 = 4064726^2 + 14272288^2 .

It is a super-2 number, since 2×220220202210020² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52815821 + ... + 56832660.

It is an arithmetic number, because the mean of its divisors is an integer number (9718199783901).

Almost surely, 2^{220220202210020} is an apocalyptic number.

220220202210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220202210020 is an abundant number, since it is smaller than the sum of its proper divisors (246253387417228).

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

220220202210020 is a wasteful number, since it uses less digits than its factorization.

220220202210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109649360 (or 109649358 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220220202210020 its reverse (20012202022022), we get a palindrome (240232404232042).

The spelling of 220220202210020 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred two million, two hundred ten thousand, twenty".