2220001002020 has 12 divisors (see below), whose sum is σ = 4662002104284. Its totient is φ = 888000400800.

The previous prime is 2220001002017. The next prime is 2220001002049. The reversal of 2220001002020 is 202001000222.

It can be written as a sum of positive squares in 2 ways, for example, as 1087815624256 + 1132185377764 = 1042984^2 + 1064042^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2220001001992 and 2220001002010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55500025031 + ... + 55500025070.

It is an arithmetic number, because the mean of its divisors is an integer number (388500175357).

Almost surely, 2^{2220001002020} is an apocalyptic number.

2220001002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220001002020 is an abundant number, since it is smaller than the sum of its proper divisors (2442001102264).

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

2220001002020 is a wasteful number, since it uses less digits than its factorization.

2220001002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111000050110 (or 111000050108 counting only the distinct ones).

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

Adding to 2220001002020 its reverse (202001000222), we get a palindrome (2422002002242).

The spelling of 2220001002020 in words is "two trillion, two hundred twenty billion, one million, two thousand, twenty".