220200102020 has 24 divisors (see below), whose sum is σ = 462779011800. Its totient is φ = 88011698432.

The previous prime is 220200102013. The next prime is 220200102041. The reversal of 220200102020 is 20201002022.

It can be written as a sum of positive squares in 4 ways, for example, as 23757906496 + 196442195524 = 154136^2 + 443218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220200101992 and 220200102010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4244975 + ... + 4296534.

It is an arithmetic number, because the mean of its divisors is an integer number (19282458825).

Almost surely, 2^220200102020 is an apocalyptic number.

220200102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200102020 is an abundant number, since it is smaller than the sum of its proper divisors (242578909780).

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

220200102020 is a wasteful number, since it uses less digits than its factorization.

220200102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542807 (or 8542805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 220200102020 its reverse (20201002022), we get a palindrome (240401104042).

The spelling of 220200102020 in words is "two hundred twenty billion, two hundred million, one hundred two thousand, twenty".