2202201200020 has 24 divisors (see below), whose sum is σ = 4896659139624. Its totient is φ = 829063981056.

The previous prime is 2202201199999. The next prime is 2202201200021. The reversal of 2202201200020 is 200021022022.

It can be written as a sum of positive squares in 4 ways, for example, as 617588513424 + 1584612686596 = 785868^2 + 1258814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202201200021) 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 7 ways as a sum of consecutive naturals, for example, 3238530837 + ... + 3238531516.

It is an arithmetic number, because the mean of its divisors is an integer number (204027464151).

Almost surely, 2^{2202201200020} is an apocalyptic number.

2202201200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202201200020 is an abundant number, since it is smaller than the sum of its proper divisors (2694457939604).

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

2202201200020 is a wasteful number, since it uses less digits than its factorization.

2202201200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477062379 (or 6477062377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2202201200020 its reverse (200021022022), we get a palindrome (2402222222042).

The spelling of 2202201200020 in words is "two trillion, two hundred two billion, two hundred one million, two hundred thousand, twenty".