2220220202020 has 12 divisors (see below), whose sum is σ = 4662462424284. Its totient is φ = 888088080800.

The previous prime is 2220220201987. The next prime is 2220220202023. The reversal of 2220220202020 is 202020220222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 411001516836 + 1809218685184 = 641094^2 + 1345072^2 .

It is a super-2 number, since 2×2220220202020² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220220201985 and 2220220202003.

It is not an unprimeable number, because it can be changed into a prime (2220220202023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55505505031 + ... + 55505505070.

It is an arithmetic number, because the mean of its divisors is an integer number (388538535357).

Almost surely, 2^{2220220202020} is an apocalyptic number.

2220220202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220220202020 is an abundant number, since it is smaller than the sum of its proper divisors (2442242222264).

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

2220220202020 is a wasteful number, since it uses less digits than its factorization.

2220220202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111011010110 (or 111011010108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 2220220202020 its reverse (202020220222), we get a palindrome (2422240422242).

The spelling of 2220220202020 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred two thousand, twenty".