20202110021200 has 30 divisors (see below), whose sum is σ = 48535569326894. Its totient is φ = 8080844008320.

The previous prime is 20202110021167. The next prime is 20202110021279. The reversal of 20202110021200 is 212001120202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2691935866944 + 17510174154256 = 1640712^2 + 4184516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25252637127 + ... + 25252637926.

Almost surely, 2^{20202110021200} is an apocalyptic number.

20202110021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202110021200 is an abundant number, since it is smaller than the sum of its proper divisors (28333459305694).

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

20202110021200 is a wasteful number, since it uses less digits than its factorization.

20202110021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50505275071 (or 50505275060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20202110021200 its reverse (212001120202), we get a palindrome (20414111141402).

The spelling of 20202110021200 in words is "twenty trillion, two hundred two billion, one hundred ten million, twenty-one thousand, two hundred".